Ok here’s the two cases:
- When I lunch the command adb sideload [UNZIPPED FOLDER] my linux terminal says “adb: failed to read package block: Is a directory” and the phone terminal says
E: Signature verification failed
E:error:21
E: (adbd status 10)
Install from ADB completed with status 2.
Installation aborted
- When I lunch the command adb sideload [ZIPPED FOLDER] my linux terminal says ar first: “serving: ‘[file name]’ ([percentage])” until, at the end of the process i get the message “Total xfer: 1.00x”
But my phone terminal says:
Finding update package...
Verifying update package...
Update package verification took 49.5 s (result 0)
Installing update...
E:Package is for source build SP2K but expected TP1V
Install from ADB completed with status 1.
Installation aborted.