[Q] Flashing modem help - Android Q&A, Help & Troubleshooting

I need to flash a 850/2100 mhz modem to my phone but not too sure how to do it, my phone is rooted etc but need to know how to change band frequency. I am currently running cyanmod 7.2
any help much appreciated

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crispychickennz said:
I need to flash a 850/2100 mhz modem to my phone but not too sure how to do it, my phone is rooted etc but need to know how to change band frequency. I am currently running cyanmod 7.2
any help much appreciated
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read it please

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I basically need a 850/2100 mhz modem for my huawei ideos x1 phone on cyanmod 7.2

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[Q] Flashing Gingerbread with Froyo MODEM ROMs

Hello, i live in Argentina and here UMTS/3G networks use the 850 Mhz band, as you know this is different to the 3G bands in use in Europe/Asia/Brasil, So far i haven't seen any GingerBread ROMs for the Galaxy Ace that use that Band.
I was wondering if using ODIN i could flash BOOT/PDA/CSC and leave the old Froyo MODEM ROM installed.
There is a brazilian modem working on your band, 850 mhz. Look this post
http://forum.xda-developers.com/showthread.php?t=1145596
yoyigo07 said:
There is a brazilian modem working on your band, 850 mhz. Look this post
http://forum.xda-developers.com/showthread.php?t=1145596
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Nope, that won't work, Brazil uses the 2100 Mhz band,
I've already tried that ROM with no luck, had to return my phone.
elfarto said:
Nope, that won't work, Brazil uses the 2100 Mhz band,
I've already tried that ROM with no luck, had to return my phone.
Click to expand...
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Believe me, that works on 850 mhz frecuency. Mexician users had no problem with telcel in that band

[Q] baseband frequency help

Hi I rooted my huawei x1 phone and installed cyanmod 7.2 on it but it appears it is working on 900-2100 mhz frequency. My mobile network runs on 850/2100 mhz and i was wondering if i could flash it to my phone somehow but i don't know how. PLEASE HELP i am getting pissed off with having no signal. my carrier does support the frequency i need as well. thanks in advance
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Please anyone can you help or even suggest something :crying:

[Q] ROM swap

hi guys, thanks for all the info, by far the best android site on the web.
I am looking to do a rom swap on a gti8552 currently running android 4.1.2 baseband i8552ddamgi kernel 3.4.0-1293443 build j2054k.18552xxamgi.
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sonnyisnothere said:
hi guys, thanks for all the info, by far the best android site on the web.
I am looking to do a rom swap on a gti8552 currently running android 4.1.2 baseband i8552ddamgi kernel 3.4.0-1293443 build j2054k.18552xxamgi.
the problem is the current rom is pcs1900 only, so no 3g, just edge speeds. i am looking to install a rom that will make the phone a true quad-band capable of 4g. does anyone know if the hardware is the same across all 8552 phones, and if the trinidad region rom is quad band?
Click to expand...
Click to collapse
that is impossible, the QUALCOMM 3G CDMA doesn't support 4G connection. :crying:

[HELP] Unlock bands in Boost Mobile

Hello, i bought this phone like 2 weeks ago.
I unlock the bootloader, change the ROM (Stock to OTA), change the Kernel (Believe Kernel) and then try to add the bands. Also i have a nandroid backup of the original stock rom
I try this first:
http://forum.xda-developers.com/moto-e-2015/general/how-to-verizon-moto-e-2015-gsm-network-t3098953
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Click to collapse
But it doesn't work, also i can only select LTE (4G) option
After read this threads:
http://forum.xda-developers.com/cro...ad-progress-please-leave-im-updating-t2871269
http://forum.xda-developers.com/galaxy-s5/general/how-to-add-rf-lte-frequency-bands-to-t2886059
Click to expand...
Click to collapse
I try to access the modem but i can't, i got stuck on step 6 and can't install the modem driver to modify with the QPST. Can someone help how to do it? The bands of my country are
2G: 850, 1800 MHz
3G: 850, 1800, 2100 MHz
4G(LTE): 1800, 2600 MHz
Thanks for your help!
I reach the modem driver but now, after putting the bands the phone start booplooping, if i use the Factory Mode function the phones works except for the network, can someone please help me?
I found a solution, do the first link after change the bands

Cannot connect to lte supported by phone on new provider g925w8 b3 1800mhz help!

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