and here is way perfect success 100% how to enter bootloader mode:
format your micro SD card to FAT32, dont give anything in this,
after download rom, put ''update.img'' to root folder of SD card,
dont create any folder, just use root folder.
copy''update.img'' and create 3 new files with name:
''uploader.img'', 'uploader'' , ''update''
rememer some files need type .img inside, and some file no need type that.
that mean you just need total 4 files in card.
then put card to phone, keep it turn off.
now turn on phone by hold home key and power key same time,
you will see white screen or red screen show '' image downloading please...''
wait about 5-10 mins, will be completed.
- if you haven't create all 4 files, you'll get blue screen with only
- SD card 4gb and 8gb can't use to do this job.
- Low memory card will give bootloader time faster, example : 512 MB
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