2G and 3G not working only 4G- US Band lock - Zuk Z1 Q&A, Help & Troubleshooting

I was tinkering with the internal settings which we get by dialing "*#*#4636#*#*" , and i accidentally locked it to USA Band.
Can anybody help me with this?.In 4G only internet works calls dont work.
I have tried factory reset as well as flash the stock rom ,no luck :crying:
Please help..!!!
Thanks

FIXED
I fixed it by first flashing cm-13.1 which also flashed radio for me.
This fixed my band issue.
Then reverted back to cm-12.1 stock rom ,waiting stable MM release. :stuck_out_tongue:

I'm also have the problem band lock for USA
If you have that solution please help me

My device work only 4G network,2G and 3G network doesn't work and all outgoing n incoming calls are banned my network is aslo blocked on USA band. Please help me. How I can solve my network problem.

Related

Volte support help for g900f.

I have tried many CSC but no luck
I check Volte option in CSC also
What is rcs?
Article about Rcs
https://www.geekiest.net/post/Reliance-Jio-RCS.aspx
I get 4g network but i cant make call as my network only support Volte call only
<CscFeature_IMS_EnableIMS>TRUE</CscFeature_IMS_EnableIMS>
<CscFeature_IMS_EnableVoLTE>true</CscFeature_IMS_EnableVoLTE>
<CscFeature_IMS_EnableLTEVideoCall>true</CscFeature_IMS_EnableLTEVideoCall>
<CscFeature_IMS_EnableRCSe>false</CscFeature_IMS_EnableRCSe>
<CscFeature_IMS_EnableRCSPresence>false</CscFeature_IMS_EnableRCSPresence>
<CscFeature_IMS_FrameworkVersion>5.0</CscFeature_IMS_FrameworkVersion>
Is their something to do with band with
On my more search i found that s5 has some bandwidth modifications
Since JIO volte bandwidth may not be supported by s5
My questions is that. In which rom are all bandwidth open.
Jio network band 40(2300) ; 5 (850) ; 3 (1800)
Galaxy S5 SM-G900F - LTE 800/850/900/1800/1900/2100/2600 Europe(LTE Variants) for Europe
I guess my S5 does not have 40(2300). I not sure but i guess that is i cant connect to internet but i cant mak call.
May be for internet JIO use band 5 and 3 but for volte may be we need bandwidth 40. (Cant say it truly
I tried to change band setting from QXDM
For 40 - 549755813888 ( no network)
Then agian changed to 549755813908 (which is total of 3 ,5 and 40) network is back but still no volte
After so much of reading.
Still no luck. I wonder how did oneplus team get band 40 and 41.
The problem is that after going nv setting via pc i did change code but still no luck.
In india Volte is on band 40 and band 41. As per knowledge 801 support both band.
Why cant i get to work.
If see the below attachment i have volte option but on my provider it work only band 40 and 41.
Then did add all Lte band as per post
" http://forum.xda-developers.com/galaxy-s5/general/how-to-add-rf-lte-frequency-bands-to-t2886059 "
If you i have two option for band all at last.
Hi,
s5 g900I supports all the bandwith of jio acording to gsmaraena website....
but i ant get volte plz help
I know that g900i support that but we cant change g900f to g900i.
Already checked that
Salcykhan said:
I know that g900i support that but we cant change g900f to g900i.
Already checked that
Click to expand...
Click to collapse
Okey , is there any way to enable volte ,in g900i....currently I cant
It bought g900i.
You can try phonix rom with csc that has volte option.
I guess it will work for you since your bootloader support band 40.
Salcykhan said:
It bought g900i.
You can try phonix rom with csc that has volte option.
I guess it will work for you since your bootloader support band 40.
Click to expand...
Click to collapse
Can u give me the link please !! For the phonix ROM..please
---------- Post added at 03:11 PM ---------- Previous post was at 03:03 PM ----------
Arjun KalyanRam said:
Can u give me the link please !! For the phonix ROM..please
Click to expand...
Click to collapse
I found the link..but it says the ROM is for g900F is it safe to flash that ROM on G900I
Install TGY(HONG KONG) lollipop firmware on your 900F .you will get volte option in setting/more network/ mobile network/ volte toggle will be there and a volte toggle button in quick panel .
Also in marshmallow but not works try newer or older MM .volte works in all 3 bands as i tested in note4 901C which does'nt have band40 in JIO 4G
I had this problem for Years before. On the first day, I didn't even have signal in a well populated area with my network Three Ireland. Make sure your phone is set to the 4G/3G Option or even use 3G/2G when calling and switch to 4G when using Data. I'm pretty sure certain networks don't support VoLTE and so they don't do well when you try to configure your SIM on 4G. It should work if you use 3G or 2G. I updated to Marshmallow and this fixed the problem. When I go into the Settings of my SIM Card (Call Forwarding etc.), My phone switches to 3G or 2G and once I exit that menu it goes to 4G again. Not a complete fix but I figured it depends on the Network.
Gamesolc said:
I had this problem for Years before. On the first day, I didn't even have signal in a well populated area with my network Three Ireland. Make sure your phone is set to the 4G/3G Option or even use 3G/2G when calling and switch to 4G when using Data. I'm pretty sure certain networks don't support VoLTE and so they don't do well when you try to configure your SIM on 4G. It should work if you use 3G or 2G. I updated to Marshmallow and this fixed the problem. When I go into the Settings of my SIM Card (Call Forwarding etc.), My phone switches to 3G or 2G and once I exit that menu it goes to 4G again. Not a complete fix but I figured it depends on the Network.
Click to expand...
Click to collapse
Yes, volte only provided by some carriers like in india jio 4g .i saw some post that having problem while call that 4g network swicthes to 3g after call end back to 4g . Try to open android service menu and set lte/wcdma/gsm this might fix *#*#4636#*#* or use shotcut master app using root method
Bruh what about G900I
Somebody just flash this on G900I
http://forum.xda-developers.com/showpost.php?p=69918006&postcount=8693
As I spoke JIo Customer Care That I was able to Do Volte. They Said VOLTE work On band 40
LET SEE
ahmed333 said:
Install TGY(HONG KONG) lollipop firmware on your 900F .you will get volte option in setting/more network/ mobile network/ volte toggle will be there and a volte toggle button in quick panel .
Also in marshmallow but not works try newer or older MM .volte works in all 3 bands as i tested in note4 901C which does'nt have band40 in JIO 4G
Click to expand...
Click to collapse
As
Salcykhan said:
Somebody just flash this on G900I
http://forum.xda-developers.com/showpost.php?p=69918006&postcount=8693
Click to expand...
Click to collapse
Do u want me to flash phonix ROM on G900I bruh
its up to you coz . i had no luck with g900f. Even even after changing csc or trying to add band 40. But for g900i. I only two good ROM phonix and Omega.
Salcykhan said:
its up to you coz . i had no luck with g900f. Even even after changing csc or trying to add band 40. But for g900i. I only two good ROM phonix and Omega.
Click to expand...
Click to collapse
How to add CSC ....can u please show me
ahmed333 said:
Install TGY(HONG KONG) lollipop firmware on your 900F .you will get volte option in setting/more network/ mobile network/ volte toggle will be there and a volte toggle button in quick panel .
Also in marshmallow but not works try newer or older MM .volte works in all 3 bands as i tested in note4 901C which does'nt have band40 in JIO 4G
Click to expand...
Click to collapse
Can I flash TGY firmware of G900F on G900I ???
To get volte !

[HELP] WCDMA Not Working On G530T1

Hello. I got a fairly used G530T1 MetroPCs. Calls and data works fine, only problem is 3G(WCDMA) won't work. If i change preferred network settings to WCDMA Only, the network signal goes off totally. I've flashed most stock ROMs and custom ROMs i can find here, but the problem still persists. The SIM works fine on other phones, so it is not the SIM card. I have tried other SIM cards too, still the same problem.
Anybody with a workaround or a fix should kindly help me out. Thanks
My G530T (T-Mobile) doesn't connect to 3G or 4G, only to LTE. I think that's just due to the hardware.
iamwhizkid said:
Hello. I got a fairly used G530T1 MetroPCs. Calls and data works fine, only problem is 3G(WCDMA) won't work. If i change preferred network settings to WCDMA Only, the network signal goes off totally. I've flashed most stock ROMs and custom ROMs i can find here, but the problem still persists. The SIM works fine on other phones, so it is not the SIM card. I have tried other SIM cards too, still the same problem.
Anybody with a workaround or a fix should kindly help me out. Thanks
Click to expand...
Click to collapse
ON PHONE
DIAL *#2263#
LTE Baseband Preferred
ALL
Turn on Airplane mode
Turn off
Violaa Worked 100000...% Tested by Sireal
iamwhizkid said:
Hello. I got a fairly used G530T1 MetroPCs. Calls and data works fine, only problem is 3G(WCDMA) won't work. If i change preferred network settings to WCDMA Only, the network signal goes off totally. I've flashed most stock ROMs and custom ROMs i can find here, but the problem still persists. The SIM works fine on other phones, so it is not the SIM card. I have tried other SIM cards too, still the same problem.
Anybody with a workaround or a fix should kindly help me out. Thanks
Click to expand...
Click to collapse
I thought that the MetroPCS version didn't come with WCDMA support. Many devices only support GSM, and because this device was never meant to run on WCDMA networks (Metro is GSM only), you might not be able to have these bands. However, if this is not your main device, and the phone is unlocked, you could try flashing an odin file for another version of the Grand Prime. MAKE SURE that your grand prime has the same chipset as the file your flashing, as some grand prime devices have a different chipset. Also, you might have to use a patched version of odin, which is all over xda.

Volte

Helloo guys am from India and recently imported a redmi pro with a global rom MIUI 8.0.7(LXKCNMA) when i first used a 4g sim i did get the option of Voice over LTE nd able to call ober 4g network. But after a reset am unable to get the Voice over LTE even after turning the VOLTE option switching on from the settings.
So, someone please help me.. i have tried different access point settings still no help..
Restart the mobile. Or try to change the Sim card. Even I faced the same problem in Jio but after changing the sim its working fine now.
Have you update the latest MIUI 8 firmware ?
Does the problem still exist ?
krazzydeb said:
Helloo guys am from India and recently imported a redmi pro with a global rom MIUI 8.0.7(LXKCNMA) when i first used a 4g sim i did get the option of Voice over LTE nd able to call ober 4g network. But after a reset am unable to get the Voice over LTE even after turning the VOLTE option switching on from the settings.
So, someone please help me.. i have tried different access point settings still no help..
Click to expand...
Click to collapse
This rom is fake and you need to flash the original rom and then choose english rom and use it or then you can apply for unlocking bootloader and then flash xiaomi.eu rom.

Not getting the enhanced 4g LTE mode option in my settings.

So I got my Airtel number ported to a Jio sim card. Put it on sim slot 1. I'm getting to use data services but cannot seem to activate volte/enhanced 4g mode to make calls at all. The option isn't even visible in the mobile networks menu.
I also checked my sim info and it says 'volte provisioned' but there's volte option in the settings.
Since I'm not able to activate volte, each time I try to call from the Jio sim, it fails.
Also, I'm running the stock debloated ROM from Sandy and I'm rooted.
I've used V1 of this ROM before and volte was working fine. I just wasn't rooted at the time. Can root be a problem? Please help guys.
found anything ?
hey man did you find any solution to this problem yet?
Same issue- stock rom unrooted Airtel only
Quote me or hit thanks if you find a solution so I get a notification

Volte Issue in MIA1

Installed miui rom on my mia1 but is was having some issues so i flashed stock MIA1 rom back . but now im not able to use Volte Service on my device 4G Airtel and Vodafone are working perfectly but for i had to use JioVoice Volte Application to make calls... i have enabled 4G LTE in network setting but still facing his issue
https://forum.xda-developers.com/xi...te-suddenly-stopped-custom-roms-t3684442/amp/
This helped me once, check if you're registered.

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