- TP-Link TL-WR820N (version for Chinese market)
- TP-Link TL-WR802N
- Wallys DR531
+ - Zbtlink ZBT-WE1526
I tested this modification on most of these devices, with OpenWrt and OFW firmware. If you are not sure about the version of your device, please contact with me **before** you try to make an upgrade. Changing bootloader to a wrong version will probably damage your router and you will need special hardware to fix it, so please, **be very careful**.
| [TP-Link TL-WR820N](https://wiki.openwrt.org/toh/tp-link/tl-wr820n) | QCA9531 | 4 MiB | 64 MiB DDR2 | 64 KiB, LZMA | RO |
| [TP-Link TL-WR802N](https://wikidevi.com/wiki/TP-LINK_TL-WR802N_v1.0) | QCA9533 | 4 MiB | 32 MiB DDR1 | 64 KiB, LZMA | RO |
| Wallys DR531 | QCA9531 | 8 MiB | 64 MiB DDR2 | 192 KiB | R/W |
+| Zbtlink ZBT-WE1526 | QCA9531 | 16 MiB | 128 MiB DDR2 | 256 KiB | R/W |
*(LZMA) - U-Boot binary image is compressed with LZMA.*
*(R/W) - environment exists in separate FLASH block which allows you to save it and keep after power down.*