Question Flash modem for more bands? - Xiaomi Poco F3 / Xiaomi Mi 11X / Redmi K40

I am curious if its possible on this phone or any xiaomi phones to flash the modem to unlock more 4g and 5g US bands? Specifically tmobile ones.

No, I think it's more on hardware thing flashing modem does not unlock more bands.

percharnel said:
No, I think it's more on hardware thing flashing modem does not unlock more bands.
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I have been out of the mod game for years. But before everyone used the same modem and it was the software that was limiting. So was wondering if that has changed or if anyone knows. Hopefully more people chime in.

Related

Anybody Able to flash the Sprint version to another cdma carrier?

Anybody Able to flash the Sprint version to another cdma carrier?
Not possible.
snipestech said:
Anybody Able to flash the Sprint version to another cdma carrier?
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which carrier do u want it on?
WiredPirate said:
Not possible.
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Galaxy Nexus has a VIA chipset rather than the usual Qualcomm which made things more difficult... but in the end it is VERY possible to flash the device to ANY CDMA carrier in the world. http://forum.xda-developers.com/showthread.php?t=1696621

Modem flash advice while roaming...?

Hello,
I am using my Australian S3 4G model handset with VodaAu sim card, currently I am connected to AT&T and my reception is unstable, this is the same while using T-Mobile. I would like to flash my modem with a version that others on at&t are using to resolve my issues...
Will this help?
And which version?
Thanks,
Aussie abroad
GODSPD said:
Hello,
I am using my Australian S3 4G model handset with VodaAu sim card, currently I am connected to AT&T and my reception is unstable, this is the same while using T-Mobile. I would like to flash my modem with a version that others on at&t are using to resolve my issues...
Will this help?
And which version?
Thanks,
Aussie abroad
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Some digging on my part suggests the phone you have is probably the i9305, not the i747. You might want to go over here to ask your question, look for modems, etc.
It is the i9305 gt model yes, but the modems should be the same?
GODSPD said:
It is the i9305 gt model yes, but the modems should be the same?
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No. They are different phones.
Think like this.. 2 people named David.. lol

[Q] Canadian Note 3 is T-Mobile?

Hello,
I purchased a Note 3 with Bell (Canada). Here is my model number : SM-N900W8
Should I flash roms from T-Mobile threads?
Thanks guys!
francislepine87 said:
Hello,
I purchased a Note 3 with Bell (Canada). Here is my model number : SM-N900W8
Should I flash roms from T-Mobile threads?
Thanks guys!
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i dont think so, but someone else should chime in to be sure... i'm not risking flashing ANYTHING until our stock roms are available... just would be a stupid and risky move
but yes, the hardware looks to be the same from what bands are supported etc, so we'll have to see once it's available
asaqwert said:
i dont think so, but someone else should chime in to be sure... i'm not risking flashing ANYTHING until our stock roms are available... just would be a stupid and risky move
but yes, the hardware looks to be the same from what bands are supported etc, so we'll have to see once it's available
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Thank you for your answer.
By the way, I think this guy is having a great idea here : http://forum.xda-developers.com/showthread.php?t=2476243

[Q] which Roms should I be using? rogers note 2

Which roms should I be using as it appears there is no rogers specific t0lte Roms. There is an att and a T-Mobile one (as well as a generic t0lte) I don't want to screw something up and I've found various answers on google(saying different things) and I trust the people on here so I figured I'd just ask here. (Sorry if this had been asked before search wasn't working)
SockmanTGR said:
Which roms should I be using as it appears there is no rogers specific t0lte Roms. There is an att and a T-Mobile one (as well as a generic t0lte) I don't want to screw something up and I've found various answers on google(saying different things) and I trust the people on here so I figured I'd just ask here. (Sorry if this had been asked before search wasn't working)
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most of the time the ATT version (i317) should work, but if you just want to be absolutely safe check whether it supports Rogers (i317M).
emilgue said:
most of the time the ATT version (i317) should work, but if you just want to be absolutely safe check whether it supports Rogers (i317M).
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Click to collapse
Thank you very much.
Easy: all t0lte GSM/WCDMA/LTE ROMs are interchangeable. Modems and bootloaders are not.
I don't think CDMA (e.g. Verizon and Sprint) ROMs work out of the box but I haven't bothered checking.
Darkshado said:
Easy: all t0lte GSM/WCDMA/LTE ROMs are interchangeable. Modems and bootloaders are not.
I don't think CDMA (e.g. Verizon and Sprint) ROMs work out of the box but I haven't bothered checking.
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Are modems not included in roms? And I didn't know bootloaders were changeable? (I may misunderstand what a bootloader is so feel free to explain)
SockmanTGR said:
Are modems not included in roms?
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Maybe: When in doubt, check the ROM recovery zip installer or Odin tar archive.
And I didn't know bootloaders were changeable? (I may misunderstand what a bootloader is so feel free to explain)
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They're upgradeable, but that's not something you would be playing with most of the time, if ever. You wouldn't normally encounter this on recovery flashable ROMs, maybe on Odin packages. Look up aboot, tz, param.img and SBL for more details.

Question Any Luck with Flashing a Tmobile to International?

I cant seem to find anything yet. I know It was possible for my 7 Pro.
Why are you trying to flash T-mobile firmware to the international version?
I will like to find some information about this too.
schmeggy929 said:
Why are you trying to flash T-mobile firmware to the international version?
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Delay on updates :S, T-mobile needs to release them after they are approved by OP.
schmeggy929 said:
Why are you trying to flash T-mobile firmware to the international version?
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Sorry didn't realize I worded it wrong. I have a T-Mobile 9Pro. I want to flash to International.
Hidd3nHorror said:
Sorry didn't realize I worded it wrong. I have a T-Mobile 9Pro. I want to flash to International.
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That sounds better. Once you are able to SIM-Unlock, you can Bootloader unlock and flash the Global firmware.
It's doable. The Global/EU ROMs will break your modem, so you'll have to re-flash your TMO modem back in order to get connectivity. I will not be making a guide until MSM is available.
craznazn said:
It's doable. The Global/EU ROMs will break your modem, so you'll have to re-flash your TMO modem back in order to get connectivity. I will not be making a guide until MSM is available.
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Ok thank you! I'll be waiting! Lol
craznazn said:
It's doable. The Global/EU ROMs will break your modem, so you'll have to re-flash your TMO modem back in order to get connectivity. I will not be making a guide until MSM is available.
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But why? I've owned multiple OP phones and been using the EU OTA with T-Mobile. Never had a problem.
zymphad said:
But why? I've owned multiple OP phones and been using the EU OTA with T-Mobile. Never had a problem.
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You can ask the same for why they removed dual sim support on Global that's not opened up when you flash another region.
At a minimum, the T-Mobile ROM has device_policy.xml set explicitly to ssss single sim. Replacing it with dsds enabled device_policy.xml from another region crashes the modem. Flashing another region's modem.img does the same thing essentially.
But I am on EU OTA and working awesome. 5G coverage with T-Mobile
zymphad said:
But I am on EU OTA and working awesome. 5G coverage with T-Mobile
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Wrong person whoops
craznazn said:
Didn't you post about the 8T yesterday? Are you referring to the 9 pro?
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Huh? I never had a 8T. I got a 9. And I flashed EU full OTA few days ago and have rock solid stability with T-Mobile. Didn't do anything related to modem.
zymphad said:
Huh? I never had a 8T. I got a 9.
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Haha my bad, you had a similar name.
So, you have a LE2127 that you flashed BA ROM?
I have a 9 I said. And yes I flashed BA.
Would be weird as hell if it failed for 9 Pro. I never heard of this before owning previous OnePlus phones with T-Mobile.
Really curious that Global or EU firmware would break 9 Pro on T Mobile.
zymphad said:
I have a 9 I said. And yes I flashed BA.
Would be weird as hell if it failed for 9 Pro. I never heard of this before owning previous OnePlus phones with T-Mobile.
Really curious that Global or EU firmware would break 9 Pro on T Mobile.
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No I'm asking if you have the T-Mobile branded device. LE2127/LE2117, or Global LE2125/LE2115? check model in About Phone
craznazn said:
No I'm asking if you have the T-Mobile branded device. LE2127/LE2117, or Global LE2125/LE2115? check model in About Phone
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Nope.
But I am still wondering why this would break if EU and Global work perfect with T Mobile. That is so weird. I have seen plenty of threads of T Mobile users unlocking and flashing Global without problems. This is first I have seen of this. This is so weird to me. Like doesn't make sense if EU and Global work with T Mobile so by switching it would stop working. That makes no sense to me.
zymphad said:
Nope.
But I am still wondering why this would break if EU and Global work perfect with T Mobile. That is so weird. I have seen plenty of threads of T Mobile users unlocking and flashing Global without problems. This is first I have seen of this. This is so weird to me. Like doesn't make sense if EU and Global work with T Mobile so by switching it would stop working. That makes no sense to me.
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It's not that the modem doesn't work on the carrier, it's that the modem itself crashes. I'm referring specifically to T-Mobile branded device where the model number ends in 7
If someone on an EU device want to send me their redacted qxn or trust me with their full qxn, I can test somethings out
That is crazy... Cause guaranteed T Mobile users have done this but I haven't read of modems crashing. Truly interesting.
zymphad said:
That is crazy... Cause guaranteed T Mobile users have done this but I haven't read of modems crashing. Truly interesting.
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I can almost guarantee you I'm one of the first LE2127 owner to unlock the bootloader and do this.
Why are you even arguing with me about a device you don't have, and whereas I can actually test this stuff and find out exactly what makes the modem power on again?

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