Download Android Pie 9.0 stock firmware PC version for Wechip V9 4GB TV Box from here or here. Download Android Pie 9.0 stock firmware SD card version for Wechip V9 4GB TV Box from here or here. Download Amlogic USB Burning Tool v3.1.0 from here or download Amlogic Burn_Card_Maker v2.0.2 from here.
Archive name: 2020.9.11 Wechip V9 4GB USB version / 2020.9.11 Wechip V9 4GB SD card version
Image: aml_upgrade_package.img / franklin-ota-eng.yxt001.zip
Archive file size: 704 MB / 750 MB
Model: Wechip V9 4GB TV Box
Platform: AMLogic S905x3
System: Android version 9.0
Build number: Amlogic/franklin/franklin:9/PPR1.180610.011/20200707:userdebug/test-keys
Caution Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data. BTW, a link doesn’t last forever.