I have unbranded 1.5 Nano clone named "Car MP4 player with FM transmitter". It's firmware broke up, so I had to install a new one. There is no board name inside, and by lots of testing I found that compatible if firmware for B002-5 board (t29_h66_j1) . Then I found out the suitable dump:
Full version 3.5.37 firmware for 1.5" LCD . But now my player turns off (with logout animation) in 5 seconds after pressing any button,
The question is: what can cause such a problem?
BTW, it's probably not battery, because it won't turn off if I just turn it on and don't press anything.
And other question. First stage firmware (t29_h66_j1.fw) is marked 3.5.37 version. Does it make sense to install *.bin with 3.5.35 version?