Potrzebuje pomocy na temat wgranie stockowego recovery w celu zainstalowania aktualizacji. Komendy fastboot oem lock, fastboot flash racovery nazwa_recovery.img nie działają. Fastboot zaczyna wgrywać recovery ale sie wysypuje:
target reported max download size of 16777216 bytes
Invalid sparse file format at header magi
error: write_sparse_skip_chunk: don't care size 9531648 is not a multiple of the
block size 4096
sending sparse 'recovery' (15836 KB)...
error: write_sparse_skip_chunk: don't care size 9531648 is not a multiple of the
block size 4096
error: write_sparse_skip_chunk: don't care size 9531648 is not a multiple of the
block size 4096
OKAY [ 1.756s]
writing 'recovery'...
(bootloader) signature checking...
FAILED (remote: signature verify fail)
finished. total time: 2.803s
Bardzo proszę o pomoc