Lte 4.5g - Xiaomi Redmi Note 7 Questions & Answers

Hi my phone is version eu and lte 4.5g not supported with None of them operators if unlocked and install version international can i have 4.5g

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LTE Band Change

Hi.
Is there a way to add support for LTE Band 40(2300Mhz) ?
It is available on the dual sim version but not on my single sim version.

How to enable other LTE band or flash IN firmware for ZE500KL?

Hello,
I have an Asus ze500kl, with WW firmware, and I need to enable TDD-LTE 2600MHz(38) band. On the official website I saw that IN firmware has these specifications: TDD-LTE: (IN version only) 2600MHz(38)/2300MHz(40)/2500MHz(41). There are few topics with same problem for other Asus version, but nothing that will work for ZE500KL.
Can somebody guide us how to enable that band, or how to flash IN firmware? In my country (Romania), one of the biggest mobile carrier bought only that band for 4G, witch it's pretty inconvenient.
Thank you!
Flashing the Indian modem will affect the 2G and 3G bands.

International S7 Edge (SM-G935F) carrier aggregation of LTE bands 4 and 28 ?

Some countries in Latin America are now using carrier aggregation of LTE bands 4 and 28. Have anyone tried using it with the international S7 Edge (SM-G935F or SM-G935FD) and which firmware did you use?
I'm using a nordic SM-G935F firmware (with SM-G935FD hardware) and it would be easiest if I don't have to flash another firmware to be able to use 4 + 28 carrier aggregation.
Anyone knows if all the SM-G935F firmwares support the same LTE CA profiles or if it differs by operator and region?
To answer myself: Yes, carrier aggregation of bands 4+28 works and so does 7+28.

Change LTE bands of A2017

Hello everyone, I have a question
I have an Axon 7 A2017 but being the Chinese version, the LTE bands are not the same as those in most of the operators in my country (Chile), since it does not have band 4 (1700-2100).
If I install a rom A2017U on my A2017, as in this guide https://forum.xda-developers.com/axon-7/how-to/guide-transform-chinese-a2017-b107-1-1-t3575320,
Can the bands be changed to have the LTE bands of the U version?
Is there any way to achieve that?
Thanks:good:
Nope, you can't change LTE bands on Chinese version

XT1687 Carrier Aggregation Combos

Hi all,
I have a Moto G5 Plus (XT1687) running Android 8.1.0 with build number OPSS28.85-17-6 and would like to know the supported bands for LTE-A Carrier Aggregation.
Thank you,
Rafael ...
rguillens said:
Hi all,
I have a Moto G5 Plus (XT1687) running Android 8.1.0 with build number OPSS28.85-17-6 and would like to know the supported bands for LTE-A Carrier Aggregation.
Thank you,
Rafael ...
Click to expand...
Click to collapse
XT1687 is a US model so;
LTE B2 (1900 PCS) AT&T
LTE B5 (850) Tmobile
LTE B12 (700 ac) T-Mobile
LTE B13 (700 c) Verizon Wireless
LTE B25 (1900 +) Sprint
LTE B26 (850 +) Sprint
LTE B41 (TD 2500) Sprint
LTE B66 (1700/2100) T-Mobile
And I think T-Mobile and Sprint just merged
Thank you @Nivead,
There is any way to change the radio frequencies, to support contiguous carrier aggregation on band 3, 1800(CA_C3)?
Regards
Rafael
rguillens said:
Hi all,
I have a Moto G5 Plus (XT1687) running Android 8.1.0 with build number OPSS28.85-17-6 and would like to know the supported bands for LTE-A Carrier Aggregation.
Thank you,
Rafael ...
Click to expand...
Click to collapse
If you have rooted device, you can check supported combinations with Qualcomm internal logging. Here is instruction: https://mt-tech.fi/en/how-to-get-4g...from-your-android-phone/#Qualcomm_diaglogging . You can then share log to me so i can then parse log file and then can list supported combinations.
There is no easy way to change carrier aggregation combinations because these are defined to hardware. Theory possible modify some NVitems but this could brick your modem.
There is different variant support 3C: https://cacombos.com/device?model=XT1805

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