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Old 12-05-2017, 08:01   #1 (permalink)
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Question will J727P lose unlock after a firmware upgrade?


On QB9 firmware if rooted boot file is left on phone, it will not upgrade due to modification.
If original boot file is put back on it allows to download the firmware update.

Will the phone lose the unlock done by z3x tool if the original boot is written back and firmware is upgraded?
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Old 12-05-2017, 08:09   #2 (permalink)
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Quote:
Originally Posted by westnz View Post
On QB9 firmware if rooted boot file is left on phone, it will not upgrade due to modification.
If original boot file is put back on it allows to download the firmware update.

Will the phone lose the unlock done by z3x tool if the original boot is written back and firmware is upgraded?
Not sure about your mention model but its happen that mobile again lock after update.
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Old 12-05-2017, 22:08   #3 (permalink)
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Quote:
Originally Posted by westnz View Post
On QB9 firmware if rooted boot file is left on phone, it will not upgrade due to modification.
If original boot file is put back on it allows to download the firmware update.

Will the phone lose the unlock done by z3x tool if the original boot is written back and firmware is upgraded?
i don't think so. but can happens anything.
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