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[Q] AT&T Radio & XT1053

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By sparkplugDev, Senior Member on 8th July 2014, 12:33 AM
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9th July 2014, 06:13 AM |#11  
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Originally Posted by samwathegreat

Flashing the AT&T radio probably won't help. GSM stands for "Global Standard for Mobile Communications". It is a standard and does not differ from carrier to carrier.

Additionally, the XT1053 supports 1 extra UTMS band, and lacks 2 LTE bands that the XT1058 has (but this doesn't affect you because AT&T doesn't use those 2 bands, and the XT1053 DOES support all the bands AT&T currently uses).

You can flash the XT1058 baseband IF you have an unlocked bootloader, but you probably won't get any support here. We don't like to support phones with mismatched software/basebands -- they just cause too many problems.

If you insist on doing it (assuming you are unlocked), you would flash fsg.mbn (modem) from the XT1058 SBF, and you would need to:

fastboot erase modemst1
fastboot erase modemst2

I urge you not to do this. Flashing a mismatched radio will often result in WORSE battery life, and you may not even get a signal on some or all bands.

I need to revise my previous statement. I've discovered that "NON-HLOS.bin" is the actual modem/baseband itself, and "fsg.mbn" appears to be a master backup of the baseband cache.
 
 
9th July 2014, 02:35 PM |#12  
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Originally Posted by sparkplugDev

That's interesting. You didn't encounter any stability issues with that?

Not at all
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10th February 2015, 12:37 AM |#13  
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Is not easier to flash a retail xt1058 ROM entirely? To avoid software mismatch, and use/unlock the bands from that model?
I have a xt1052 and I need the xt1058 modem/radio/bands to be able to use 4g on my country. That would help?
10th February 2015, 01:02 PM |#14  
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Quote:
Originally Posted by TLH11

Is not easier to flash a retail xt1058 ROM entirely? To avoid software mismatch, and use/unlock the bands from that model?
I have a xt1052 and I need the xt1058 modem/radio/bands to be able to use 4g on my country. That would help?

this is an old thread you are resurrecting..

I usually recomend NOT fully flashing the rom from a different model. We've seen the GPT.BIN be different enough between models, even among the same ROM versions (i.e. GPT.BIN from one 4.4.4 not matching GPT.BIN of another 4.4.4 rom). That presents challanges to try a different rom, or flash back.

And flashing another modem file, or rom file does not necessarily mean you will enable those "other bands" because the phone's HARDWARE also is a factor.

In other words, due to different hardware, flashing an XT1058's rom or modem files onto an XT1053 or XT10052, might not enable any new/extra bands due to hardware differences. And if you do cross flash (as its called), the GPT.BIN differences might prevent you in returning to the correct ROM for your phone/carrier.
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