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本帖最后由 zowainfo 于 2021-3-16 18:50 编辑
请翻译以获取详细信息,对不起,我不好翻译 ([thank]
HOW [NEED] ROOT an unkonw AndroidTV Devices Technicolor DWI259S/UIW4020ETI (Sapphire)
Hi guys, I'm here to learn something about Android Security System.
I have this S apphire TV BOX
model: DWI259S / UIW4020ETI / UIW4020ETI2 (Sapphire)
SoC: Broadcom BCM7271 The goal of this post is to understand how I can gain root access on this device I know how to turn it in recovery mode.
"You can boot to recovery by switching the unit off (the black button in the back), then while holding the power button (the one on the side, next to the pair button) turn the set top box on until the recovery shows up."
This is what I see.

I tried to flash an update.zip in order to see if I can execute command through any script, but the verification of the signature fails. I tried to click on "Apply update from USB" (that is adb sideload), but connecting the tv box on the pc nothing happen, no device found neither with "adb devices" I tried also to click on " Reboot to bootloader " but " fastboot devices"command return nod devices connected.
My idea was to read the recovery image from fastboot extract it and try to compile my own TWRP Do you have any suggestions to guide me in the right way?
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