I have a problem ... please help !
hi
I'm just new in this forum and hope to get helped by you. i had a fake sony 1GB mp4 and tried to upgrade its software but i actually damaged it. I followed all the steps of recovery mentioned above and i really got to an advanced stage. I got a resemble mp4 and extracted out the Firmware to upload it to my damaged one.
The problem i'm suffering now is when i open MP3 Upgrade Tool to upload the dumb.bin and a success message appears, after that the mp4 should be fully recovered, but in fact it lightened out and gone back to the damaged status that needs to make a short-circuit again.
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