lundi 16 mars 2015

[Q] How to switch XT910 4.1.2 Stock EU ROM to AU ROM

Hi all,



I am sorry for my not fluent English and long paragraphs.



I have a XT910, which is originally a HKTW Asia Retail. Previously I switched the rom from HKTW Asia Retail ICS to AU Retail ICS by RSD lite flashing and upgrade through normally receiving JB OTA.



Recently I have did something wrong that click select radio bands and click "USA bands" in test menu -> phone information (*#*#4636#*#*). I had no ways to retrieve back my H/3G connection, I could receive nothing without factory reset and later on only EDGE after factory reset. I have tried to flash EU 4.1.2 Rom from here for BRITISH RETAIL instead. I found my H/3G connection not stable though H/3G back again, I considered flashing back to JB AU RETAIL due to unstable mobile signal reception.



I have a few questions.

1. How should I switch from EU 4.1.2 to AU 4.1.2? I know I should not flash ICS back and my phone is not rooted.

2. Could I just replace a radio from AU rom? (I could only find AU ICS rom, will it work if I combine that with EU ROM by just replacing radio?)

3. If I direct apply AU OTA zip under recovery on it directly when it is in EU JB ROM, will it work?



Thank you very much for your answers. I need it for my daily usage.:crying::crying:





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