Pepe2k bootloader Alternate method: With the vendor firmware running, assign an IP address to the ethernet port, tftp the firmware image to /tmp and write to mtd4 ("KernelA"). Mar 28, 2018 · Hey there, as the topic says, does anybody work currently on an 4. I included bootloader in every way how I'll do return in the stock rom Jan 15, 2021 · Bootloader: The pepe2k bootloader works perfectly on the device. Contribute to pepe2k/u-boot_blackswift development by creating an account on GitHub. My only intention with this was to find out how to translate the interface of this Thanks for the info Gimbus. 14 the delays were not cleared, so setting "rgmii" as phy-mode did not affect delays set by the bootloader. I also see there’s a recovery button on the side. Oct 18, 2013 · Just try with original 8devices bootloader Same issue ! No issue using DHCP from the linux kernel with the same router. Tried same, but for 703n, and it went well(but was previously updated by your binary image from 2013). You could also use the pepe2k bootloader for that board / router, or just the original one from his repos. 06 openwrt is able to bring up the USB subsystem whereas ath79 master does not. 11ac 1T1R (connected with diplexer to one of the antennas) * 3x 10/100 LAN, 1x 10/100 WAN * UART header with pinout printed on PCB Installation: * The device comes with a bootloader installed only * The bootloader offers DHCP and Wait ~120 seconds to complete flashing Flash instruction using initramfs-factory. The table below summarises the situation Jun 16, 2016 · Original bootloader very gutted and there are not have many commands. Login to the bootloader CLI with a password "chiron" 4. bin extension to return to the stock firmware. Jan 15, 2019 · Stumbled across this while working on something else not ARM related, but it's pretty cool - since Armbian is looking at devices that have eMMC, this might be useful Feb 12, 2024 · pepe2k's modded u-boot works on this device. It points to WINNT. Both the original and this u-boot_mod, both the TP-Link/Mercury, have this problem. I want the firmware with the . 10. Jul 19, 2010 · If you've made (or bought) a device with 16MB of flash, you will still have difficulty building images larger than 4MB, even though you can use all 16MB once you've flashed an image (functionality provided by an appropriate bootloader, such as pepe2k u-boot mod). (A very nice technical example can be seen here or see a suggestion until finding a better example: here and here) After Sep 21, 2022 · First of all, this is ethical hacking, not trying to violate any copyright or should be considered disrespectful to @hackpascal, the recovery is great, but he chose to not disclose the source code, that's not really a problem until you realize the web interface is in Chinese and you can do nothing about it. You signed out in another tab or window. Sep 13, 2024 · There still the usb-c connector. Yes. 4 modification for routers C. Feb 20, 2014 · Hello, bricked my router. They are QCA9563 + Wave2, using the elx-header image type wrapped into wrgg03 image. Oct 9, 2022 · The bootloader's main function is to initialize the hardware, pass an abstraction of the initialized hardware, a hardware description, to and execute the Kernel. or. 0 devices. However, today (Feb 2, 2021), on the github account "hackpascal," with the associated name Weijie Gao, this was part of a file header: A completely-from-scratch hobby operating system: bootloader, kernel, drivers, C library, and userspace including a composited graphical UI, dynamic linker, syntax-highlighting text editor, network stack, etc. 2 (AR9132). Contribute to ShawnPlanA/u-boot_mod__pepe2k development by creating an account on GitHub. unwireddevices. I can go step-by-step through relocate_code function Hi pepe2k, I'm now using your u-boot_mod for Carambola2 devices. Cheers, Christian. 11ac 1T1R (connected with diplexer to one of the antennas) * 3x 10/100 LAN, 1x 10/100 WAN * UART header with pinout printed on PCB Installation: * The device comes with a bootloader installed only * The bootloader offers DHCP and ath79: fix nanostation ac loco ethernet interface In 4. I'm looking for a hint with a custom dual-bootloader configuration on the nRF52840 (I'm using the nRF52840-Dongle as a testing device). bin image (bootloader CLI): 1. Mainly, we want to have more options than original bootloader from tplin Nov 9, 2015 · Hi @pepe2k I guess that you're the right person to answer these doubts. Am 17. However, today (Feb 2, 2021), on the github account "hackpascal," with the associated name Weijie Gao, this was part of a file header: Uboot (universial bootloader) is the bootloader we used on our boards and routers to start OpenWrt Linux. 4-g36de7573 (Feb 27 2017 - 14:14:52) DRAM: 128 MB Fork of pepe2k with psyborg55's support for AP135 - QCA9558, and some minor modifications - john-sb312/u-boot_mod Changing bootloader to a wrong version will Jan 23, 2015 · Carambola 2 is nice embedded development board running Linux, to be exact it is running OpenWrt. 02RC4 i noticed a bootloop when connecting the serial cable it turned out to be a kernel unpacking issue: raspi_read: from:50000 len:40 . 4 modification for routers. Revision does not matter. Feb 27, 2022 · Hi everyone, I'm trying to add support for the D-Link DAP series business APs made by Edimax (e. u-boot > dhcp. Do you know if there is a chance that uboot will work on that device? I think if May 22, 2017 · Hi all, It appears from some research that Ubiquiti may have started proactively blocking the installation of 3rd Party Firmware on their WiFi Devices. bin U-Boot 1. Power on WG600HP and interrupt bootloader by ESC key 3. While most of us probably do not require such a functionality in a bootloader for a small embedded router, I wonder, whether such a functionality would benefit development somehow. I contacted three project members (pepe2k, dangole, nbd) on December 6th to outline the overall idea. With 5. patch kernel patches break the possibility for using an ip4ip6 tunnel interface as a fall back interface accepting ip4-in-ip6 tunneled packets from any remote address. Contribute to welloo6/uboot development by creating an account on GitHub. h U-Boot 1. 4 from 2013 is too old. 1. I would like to modify uboot in order to download (using http or tftp) and write a new openwrt firmware image, May 2, 2020 · According to the link provided in the upgrade web page, it is based off Pepe2k's Uboot mod Connect only one cable from your PC to your router, and leave the other ports ( LAN or WAN ) unconnected. U-Boot bootloader for Black Swift board. 4 GHz (MT7603EN): b/g/n, 2x2 Wireless 5 GHz (MT7615E): a/n/ac, 4x4 Ethernet: 5x GbE (WAN, LAN1, LAN2, LAN3, LAN4) USB ports: No Button: 2 buttons (Reset & WPS) LEDs: - 1x Power The expected uboot size is set to 64kb, but the images on your server are of 123kb. Unfortunately I just see the power LED staying on and second one. h' is meant to be a convenience header to be #included at build time, but not installed. You should not flash other uboot which is not developed for the router. im also facing same issue, both May 27, 2010 · I am trying to add a bootloader entry to NTLDR so I can install Windows 2000 to a backup part. Thanks for the info Gimbus. But the oem firmware wouldn't let me flash it. Signed-off-by: Rafał Miłecki <rafal@milecki. 9 TCP / IP stack, in D-Link routers. Contribute to unwireddevices/u-boot development by creating an account on GitHub. Jan 9, 2024 · The only nonopen sourcecomponents are the 2. Find and fix vulnerabilities This tells OS (Linux) where from MAC should be read (bootloader MTD partition). Original bootloader on WR703n (TL-MR3020 ) tests some GPIO pins levels during boot time to determine configuration. Dec 22, 2022 · Something to try: https://openwrt. Piotr Dymacz pepe2k Follow. 4 and 4. kernel: enable pressure interface PSI provides a canonical way to see resource pressure increases as they develop, with pressure metrics for three major resources: memory, CPU, and IO. The result is a default network config for NR7101 without the only ethernet interface on the NR7101, thereby soft bricking it. 18 May 2013, 16:06 Thanks pepe2k, I can confirm this is working on Wr741ND Version 4. Instead, Currently I'm trying to upgrade a TP-Link's ancient U-Boot to a newer U-Boot versions until I reach a version where the official DENX "Das U-Boot Oct 14, 2013 · bootloader in the first 64K starting from 0x00000. Oct 29, 2018 · Recently I decided to try out pepe2k's custom uboot for my fleet of TP-Link TL-WR710N v1 devices, and in the process of doing that, I wrote a short script to install it on my live running devices out in the field. EXE which is in C:\SETUP2K\i386\ and I have all the switches I need but it WONT BOOT! Re-enable arbitrary IPv6 addresses as outer ip4-in-ip6 tunnel source address The 666-Add-support-for-MAP-E-FMRs-mesh-mode. Installing it can cause a host of problems for various other projects (for instance, attempting to build u-boot from source while another project's 'config. As it runs the MediaTek MT7620n can you compile a binary for the WT3020? I do not want to run a closed source, GPL violating bootloader, but do not know the specific modifications required to compile it for this router. Download a precompiled binary here (unpack before using). No reaction Before I successfully upgraded the flash from 4 MB to 16 MB and also load the new boot loader from Pepe2k into my TPlink RE730v2. 1. Does your version of bootloader still use these GPIO values or does it ignore it? Hello there. 9 versions I'm not a big openwrt dev, but i know The start address of FLASH is 0x9F000000, so this is where the bootloader must be written to. 4 kernel the situation changed and the ethernet interface stopped working. Hello @ZigFisher, Mar 19, 2014 · Hi @pepe2k, Thanks for replying so fast. Hi, If you don't mind I have a few questions: Do you plan to release openwrt version with latest version of uboot? Is there any added value to flash latest version of uboot if I have version &q U-Boot bootloader for Black Swift board. Full Readme from pepe2k is here, here are few examples: Configure. bootloader hangs on both at the same point. com/pepe2k/u-boot_mod. https://github. Contribute to pepe2k/u-boot_mod development by creating an account on GitHub. cn. But please note ddr and flash may needs extra drivers. Customizable Bootloader for STM32 microcontrollers. 14) modules and i dont know what the steps are for creating a good config for my ar71xx routers. The device was running good but the problem is that the pepe2k. I would like to keep the gen Feb 16, 2017 · The new bootloader is not working in my router, I have upgraded it and now the router doesnt boot automatically anymore, I have to start manually from command line… It stops after uboot with this log: ///// U-Boot 1. 0. h' exists in the compiler search path will cause build failures similar to: pepe2k/u-boot_mod#148 Further, I've changed '#include <config. How do I proceed with "just" the sysupgrade image? Can/should I flash this via UART, and if so, how? If this is a loss cause, maybe I can still return it and get a "proper" router U-Boot 1. It looks like something wrong with RAM controller initialization. Probably a stupid question, but I haven't found any information about how to get to the download page of your modified u-boot, can you point me to it or mention it in the README? U-Boot bootloader for Unwired One board. Warsaw, Poland; Organizations. 20 Oct 15, 2017 · So I was about to overwrite my boot-loader with it. May 12, 2022 · Hi @pepe2k I attached the tested bootloader below: bootloader_binaries. Jan 5, 2022 · Hi OpenWRT community, I recently ventured into OpenWRT stuff, Since I had a TL-WR810N v1 (US version) on hand, I attempted to flash it with OpenWRT 21. I know the in the image, only the first 64kb are occupied by uboot, then there are the writable env variables and the last 5kb of the 128kb are the ART sector, but with this 123kb image I guess the script will fail, right? Apr 24, 2021 · Hello everybody, this was the first time I built openwrt myself (so far only stock images). g "mtd erase firmware". Or even commit to upstream. Also i see there are a lot of patches for 4. Block or Report. pl> (cherry picked from commit Hello pepe2k, we are teaching mips assembly in our faculty, and we are interested to use your uboot in our devices (mr3020). If I shut-off and on the power, it starts ok. No. Jul 16, 2021 · It allows to upgrade firmware, U-Boot and ART (Atheros Radio Test) images, directly from your web browser, without need to access serial console and running a TFTP server. Follow. Because my image is 128K in size You should remember about this if you want to use mtd utility or serial console and U-Boot command line, to change the bootloader. Mar 25, 2016 · @phizev I got disappointed at u-boot_mod because of this problem, and - since that a bootloader containing a web server may be not a security-wise idea - perhaps I'm not going to investigate. The bootloader heavily depends on the hardware so almost every device requires a different bootloader. Currently bootloader always stays on the same version as when first written to boot medium (not true if partition layout changed, which will trigger sysupgrade process to write full disk image). We have experienced this issue on the Ubiquiti UAP V2 and Ubiquiti themselves have refused to officially confirm or deny that they are. But it turns out the V4 has two! root@OpenWrt:~# cat /proc/mtd dev: size erasesize name mtd0: 00020000 00010000 "factory-uboot" mtd1: 00020000 00010000 "u-boot" mtd2: 00180000 00010000 "kernel" mtd3: 00d40000 00010000 "rootfs" mtd4: 00b10000 00010000 "rootfs_data" mtd5: 000f0000 00010000 ramips: add support for Rostelecom RT-FE-1A Rostelecom RT-FE-1A is a wireless WiFi 5 router manufactured by Sercomm company. However, today (Feb 2, 2021), on the github account "hackpascal," with the associated name Weijie Gao, this was part of a file header: Write better code with AI Security. I'm learning how to use this thing - GitHub. 9 TCP/IP stack, in D-Link routers. If possible I'll like to hear your thoughts about it. 2) Trigger the bootloader failsafe mode. Device specification-----SoC Type: MediaTek MT7621AT RAM: 256 MiB Flash: 128 MiB Wireless 2. May 21, 2021 · You signed in with another tab or window. right. Please, do not make any mistake with offsets and sizes during next steps! Erase appropriate FLASH space for new U-Boot image (this command will remove default U-Boot image!): you say that this bootloader is based on your work. It was made by a professional with hot air gun in a factory line So it should be attached correctly. I have the original u-boot image for a TP-LINK WR841N v11 and would like to add it to your collection, but I'm unsure about the size of the image needed to upload. Mar 6, 2017 · I just got a cheap Mercury MAC1200R. Web server contains 7 pages: Nov 19, 2014 · U-Boot 1. org/toh/mikrotik/rb941_2nd support. Hi all, I have a TL-WA850RE v2 (italy) and I changed the firmware from original tp-link to OpenWRT to give it a try. Oct 27, 2017 · Abit late have you thought of using pepe2k's uboot fail-safe on TL-WR710N V1 (europe) GitHub pepe2k/u-boot_mod. This version of the bootloader has a functional httpd application that allows you to upload new firmware directly to the bootloader from your browser (similar functionality to other routers that have a function-by-number menu in the Jan 26, 2015 · Hi pepe2k, I have different revisions: AR9331-AL1A and AR9331-AL3A. Reload to refresh your session. or if you are friendly with the C language, you can use their forks to make your own bootloader Customizable Bootloader for STM32 microcontrollers. Bootloader size - 192 KiB, env - 64KiB pepe2k commented Jun 21, 2016. What I did in the end was a hexedit of the bootloader here and added the mac adress in the correct place (uboot-env section The-Bootloader has 2 repositories available. pepe2k. When booting initramfs, the device will perform a factory reset roughly 1 second after uboot hands over execution to the kernel, and in the stock firmware, a few messages related to ath79-wdt are U-Boot version for the DPT-Board. 14 config and patches for ar71xx platform? I want to switch from shortcut-fe (fast-classifier) to the new ipt-offload kernel (4. Follow their code on GitHub. I also split my changes into 3 commits, which could be easier to review and filter debug U-Boot bootloader for Black Swift board. x86: add bootloader upgrade on sysupgrade Currently bootloader always stays on the same version as when first written to boot medium (not true if partition layout changed, which will trigger sysupgrade process to write full disk image). To backup u-boot partition in RAM, run: cat /dev/mtd0 > /tmp/uboot_backup. If it isn't a model that @pepe2k directly supports, just because some binary physically fits in your partition doesn't mean it will work. This is a modified U-Boot boot loader for Unwired One board (http://www. After some research on this forum (TL-WR810N from dd-wrt to OpenWrt) I was able to flash dd-wrt first and then to openwrt 21. Although it might boot. demo flash microcontroller firmware example stm32 boot bootloader iap firmware-updater fat32 mcu fatfs flasher stm32l4 sd stm32l476 in-app-programming U-Boot 1. openwrt. And I think I found the cause of this problem and I can fix it. bin May 28, 2019 · The original was 32 MB from Zentel. According to mtd Feb 11, 2021 · depending on the board, an alternative bootloader may be available with pepe2k's uboot-mod or forks of it. The wrong boot loader for your router is a quick way to starting to shop for a new router, Mar 23, 2020 · I found some description to install a modified bootloader, like pepe2k, but all these manuals involve having access to the serial console sooner or later, e. If you don't want to build your Jan 5, 2019 · Hi geeks! I'm decided to upgrade flash in my TP-Link TL-WR941nd V3. Unfortunately its a version 2. 5 GbE PHYandWi-Fi firmware blobsrunning on separate cores that areindependent of the main SoC running Linuxand the DRAM calibration routines which are executed early during boot. . A more dangerous option is force the bootloader into recovery mode by erasing the OpenWrt partition from the OpenWrt's shell - e. What went wr Dec 24, 2017 · pepe2k / u-boot_mod Public archive. 11n 2T2R (external antennas) * QCA9887, 802. Uboot (universial bootloader) is the bootloader we used on our boards and routers to start OpenWrt Linux. g. pepe2k closed this as completed May 13, 2022. It allows to upgrade firmware, U-Boot and ART (Atheros Radio Test) images, directly from your web browser, without need to access serial console and running a TFTP server. Find and fix vulnerabilities May 7, 2022 · pepe2k self-assigned this May 13, 2022. Is this just a typo or is there a specific reason? I'm also wondering why you don't start at offset 0x00000000. Why not to migrate to new version. RAM version never reach any hardware breakpoint behind code I mentioned above. The bootloader asks for board- and server IP addresses and filename. You signed in with another tab or window. U-Boot 1. Default U-Boot bootloader has known issue with USB 1. The functionality is already there, for free. But how do you get the offset values? bootm according to the link is at 0x9f020000 but pepe2k starts dumping at 0x9F000000. I try removing CONFIG_BOOTP_RANDOM_DELAY without success Log follows Regards, Laurent. Jun 17, 2013 · The uboot-version for the Seagate Dockstar can even boot the entire operating system from a ext2-formated USB stick. The reason is that I have a TPlink WDR4300 which has been modified with a 16MB flash (not by me) and came with LEDE Reboot, which is a bit dated now I first made a full backup, documented some stuff of the existing install, verified that the bootloader was indeed pepe2k (it was) and the serial pin Jun 6, 2017 · Is this a message sent by bootloader or is it embedded in hardware? Can bootloaded be replaced with Coreboot/uboot? Edit: I found this project around uboot: GitHub pepe2k/u-boot_mod. Did you play with the internal bootloader of AR9331 ? I mean, the one, that you can trigger by pulling down GPIO1 at powerup. One solution is to use Pepe2k's custom U-Boot mod. Mar 31, 2013 · Nice work pepe2k. You should remember about this if you want to use mtd utility or serial console and U-Boot command line, to change the bootloader. To use the bootloader, you have to connect a UART serial connector to your device. Forked from pepe2k/u-boot_mod. DAP-2662 here). Block or report pepe2k Thanks for the info Gimbus. zip. 2013 20:23, schrieb Piotr Dymacz: Hello Christian Apr 3, 2022 · The router downloads the fw from the tftp server, but at the end, it gives this error: Bytes transferred = 6292042 (60024a hex) LoadAddr=84000000 NetBootFileXferSize= 0060024a Abort: bootloader size 6292042 too big! Any ideas? I tried also previous and smaller versions but with the same result. Connect and open serial console 2. Aug 6, 2022 · out of curiosity, why are you looking to replace the bootloader? I would think that the first one would cover you but I am just guessing. Applied freshly compiled bootloader from master branch. So now that I have made the entry in the Boot. Aug 9, 2021 · diego0815: after upgrading my zyxel nbg-419v2 to 2021. 168. I will submit a pull request shortly. This prevents user from free usage of GPIOs (it has to have expected level at boot time) . IDK if this interacts with the boot ROM, but the bootloader can surely use it to boot a recovery kernel if held down on boot. Contribute to apocalypse1233/u-boot_mod-pepe2k development by creating an account on GitHub. ath79: add support for Joy-IT JT-OR750i Specifications: * QCA9531, 16 MiB flash (Winbond W25Q128JVSQ), 128 MiB RAM * 802. According to the Dev/owner of pcWRT, the BREED bootloader originated on the Chinese forum www. Mar 6, 2017 · Hello everybody! I wonder if there is planed support for this highlight of portable hardware. I used the video below to install the Padavan and I installed the Padavan with the Breed Web bootloader, but I would like to return to the Stock firmware because some features are not working (Torrent, Download manager, Usb problems). You can find similar firmware recovery mode, also based on uIP 0. just incase. I have two question. The bootloader can use something like fastboot or USB MSC to allow recovery options that way, including bootloader commands. Please be careful, since erasing the wrong partition can brick your device. Copy link shripadrayewar commented Mar 20, 2023. Jul 28, 2021 · We are using the MCUBoot based bootloader (/bootloader/mcuboot) in a Zephyr project. You switched accounts on another tab or window. That creates inconveniences as it always stays with same features or/and bugs. Mar 5, 2019 · Count number seems to be the size of the flash in bytes. Can I read SPI flash content by programmer and remake It to 16 MBytes image for new flash? As I understand, I must copy first 128 kB (u-boot) to the beginning of new flash, last 64 kB (ART) to the end of new flash, solder this flash and install OpenWrt from my ordinary sysupgrade file (made for 4 MB SPI flash) by U-Boot 1. However if I use a pepe2k build which doesn't perform USB setup, or mainline u-boot (given that the pepe2k codebase is very old) then the ar71xx 18. A completely-from-scratch hobby operating system: bootloader, kernel, drivers, C library, and userspace including a composited graphical UI, dynamic linker, syntax-highlighting text editor, network stack, etc. It seems there is no way for a (Zephyr) application to get the following information from the MCUBoot bootloader: The used Zephyr version in the bootloader; The used MCUBoot version May 17, 2013 · Now I am waiting for your WDR3600/WDR4300 bootloader! Post #56. Carambola 2 is based on AR9331 SoC. As we are a sizeable Wireless Operator who, to-date, have used Ubiquiti kit extensively within our Write better code with AI Security. Contribute to dptechnics/DPT-Board-bootloader development by creating an account on GitHub. 209 followers · 28 following RTS/Freelancer. com. ini, I try to start it BOOM! Machine is hung. I have put the ART image with 64K starting from 0xFF0000 until the end of the flash at 0xFFFFFF. to start the httpd in uboot mod, so that the router can be accessed from the network instead of the serial console. This device is supported and I can download the sysupgrade firmware. In the next 64K starting from 0x10000 I have put the backup of my original SPI flash content which was also at 0x10000. Starting U-Boot console Command Processing uboot> dhcp netboot_common argc=1, loadaddr= starting NetLoop Trying eth1 Jun 17, 2019 · , hook it up to a raspberry pi SPI pins, and use flashrom to flash. u-boot > setenv ipaddr 192. Unfortunately OpenWRT doesn't allow settings to be stored for my device (not eno ramips: fix ZyXEL NR7101 bricking typo A typo snuck in with the addition of Cudy M1800, changing "nr7101" to "nt7101". Start TFTP server by "tftpd" command 5. This example demonstrates how to perform in-application-programming of a firmware located on an external SD card with FAT32 file system. Regards Feb 5, 2024 · Compiled binaries open wrt for modded TP-LINK WR841N with 16MB flash - plawnik/TPLINK_WR841N_V9_OPEN_WRT_BINARIES Hello: Bootloader gets stuck when reboot Dragino 14MS. org/docs/techref/bootloader/pepe2k" Network Console Second, very useful modification is a network console (it is a part of original Hi, I am interesting in https://wiki. OTOH you probably need to remove first 128bytes from the image file you get from tp link website. The ZSUN Wifi Card Reader (technically a router!): *Architecture: MIPS *Vendor: Atheros/Qualcomm *System-On-Chip: Atheros/Qualcomm AR9331 WiSoC *Flash size: 16MiB SPI *RAM: 64MiB (32MiB version possibly out there) *Ethernet port: yes, via external PHY, TX/RX pairs on testpoints *Serial: yes, on Apr 13, 2017 · 'config. Follow the upgrade instructions in pepe2k's README. Very nice ! Thank you. Sep 27, 2018 · No, it seems they fixed bootloader and tftp upload is now limited: 👍 4 ynezz, pepe2k, compwiz3688, and djowen40 reacted with thumbs up emoji. com) Unwired One support (compile with make unwired-one command) Support for board firmware upgrade with USB flash drive: any specific partition (u-boot, u-boot-env, firmware, art) or the whole flash (16 MB) Feb 21, 2019 · A boot loader isn't a generic thing. Press and hold the Reset button firmly first, and then power on your device. 02. Git: last commit: 7a540a7 toolchain: toolchain-mips_24kc_gcc-7. This is not a factory to LEDE image. 3. All reactions. mmfxlramxsyicljdsfeesxyzhjqrujwpdzeftjjkytefpnfjdkxzdvdkmdojavcujwpzevxlmjrz
