Download Android Nougat 7.1.1 stock firmware for PenDoo Mini TV Box with 1GB of RAM from here or here. Download Android Nougat 7.1.1 stock firmware for PenDoo Mini TV Box with 2GB of RAM from here or here. Download previous firmware from here.
Archive: pendoo_1GB_201704082016 / pendoo_2GB_201704082029
Model: PenDoo Mini TV Box with 1 GB / 2GB of RAM
Image file size: 521 MB / 521 MB
Platform: Rockchip RK3328 / RK322H
Image: rk3328_loader_ddr3_1GB_786MHz_4layers_v1.04.239.img / rk3328_loader_ddr3_2GB_786MHz_v1.04.239.img
Build number: rk3328_box-userdebug 7.1.1 NMF26X eng.lushen.20170408.194538 test-keys / rk3328_box-userdebug 7.1.1 NMF26X eng.lushen.20170408.200117 test-keys
Firmware version: 7.1.00
Boot version: 2.39
Model number: pendoo
SDK version: RK30_ANDROID7.1.1-SDK-v1.00.00
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.