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India airtel 4g network problem on opo(chinese) brought from aliexpress

Hii Freinds,
I am facing strange problem, whenever i insert airtel 4g sim, I am not able to make call and if some calls me back get not reachable error
but 4g data service is working fine. BUT IF INSERT SAME SIM IN OTHER 4g COMPATIBLE handset call and data is working smoothly.
3g and 2g network working flawlessly.
is there any solution for the same?????????????

Jio on One E8(m8sd)

Getting jio signal but not registering on network
"Your sim doesn't allow connection to this network "
I installed HTC phone.apk (v 8) from apk mirror..
(By installing this I lost control over second sim but got option to select LTE in menu )
And settings (v8) from apk mirror ..
I was using reliance 4g sim ..(not jio)
After searching networks manually
I got jio but didn't got register
Any help
Will I get jio network if I use jio sim instead of reliance

Ellaborate
How did you get that 4G option?
Tellme ill try it with my jio sim...tks

I really don't know
I installed HTC phone apk v8
Restarted phone
And selected GSM/WCDMA/LTE in mobile network
I got jio network (not registered though)
Now I got jio sim but I'm not getting network..
Really pissed off
I think there is some kind of lock protecting to get 4g on this
HTC messed up with CDMA and LTE
Because when u select LTE only it switches slot to CDMA and we cannot scan network manually
Modding phone apk to disable CDMA may work I guess

Anybody got success in running Jio on HTC E8 Dual Sim?

Tried alot to get jio sim working.. Got the sim generating bar code somehow many tricks are given, sim is activated already got the message on registered number,but still unable to get any signal for JIO, Thing is HTC has done such cruelty by locking the 4G LTE, dnt know why they do it.. Same thing with my Sony Xperia ZL, In India they lock the 4G, WTF why they do it !?

sahil soni said:
Tried alot to get jio sim working.. Got the sim generating bar code somehow many tricks are given, sim is activated already got the message on registered number,but still unable to get any signal for JIO, Thing is HTC has done such cruelty by locking the 4G LTE, dnt know why they do it.. Same thing with my Sony Xperia ZL, In India they lock the 4G, WTF why they do it !?
Click to expand...
Click to collapse
Business man ...
And We got bad luck ...
No 4g and No developers for this phone to solve this issue
I would have believed HTC that phone is 3g only as they are saying ...but I got jio network once accidentally by procedure mention above

Any success with Jio 4G on HTC One E8?

Anyone able to do dual VoLTE when Tmo is not data sim and Verizon is?

I have Tmo and Verizon sim in the non-TMO GM1917 . I want to use Verizon SIM for Data. When i do this, Tmo drops to UMTS for calls. If I leave Tmo as data sim, both lines do VoLTE.
I don't really want to randomly mess with different dialer settings under *#*#4636#*#* - anyone have any luck with both Verizon And Tmo as dual sim doing VoLTE on both lines while keeping Verizon for data?
If not, do we think that Android 10 will make a difference?

Another reason I want VoLTE on the Tmo SIM is that is what controls VoWifi - no VoLTE, no option for VoWifi.

Dual VOLTE ? Poco X3

Hi everyone, I can't simultaneously activate the Volte on both sim cards with the code*#*#86583#*#* it only activates the volte on sim 1 or when I do it again in the dialer only for sim 2
Thank you for your help.

Am I the only one who wants double VOLTE on my phone?

I'm right here with you. Better yet I've noticed I dont actually get Dual 4G signals at all which is why it probably doesnt work for me? How about you, do you get dual 4g signal?

jjh76 said:
I'm right here with you. Better yet I've noticed I dont actually get Dual 4G signals at all which is why it probably doesnt work for me? How about you, do you get dual 4g signal?
Click to expand...
Click to collapse
VoWiFi (Wifi Calling) and VoLTE not working with Mint with Xiaomi POCO X3 NFC
VoLTE and VoWiFi/WLAN does not work on Mint Mobile (t-mobile USA mvno), when is enable you cannot make any calls!!! also VoWiFi (WiFi Calling is enable in my account I tested with another phone) does not work I even enter the codes to disable the carrier check VoLTE *#*#86583#*#* and VoWiFi/WLAN *#*#869434#*#* I even went to configurations with the code *#*#4636#*#* and I was unable to switch to ON or OFF
VoLTE and VoWiFi/WLAN works fine on my other Xiaomi Redmi Note 8 Pro but why is not working on the POCO X3 NFC

kb_79 said:
Hi everyone, I can't simultaneously activate the Volte on both sim cards with the code*#*#86583#*#* it only activates the volte on sim 1 or when I do it again in the dialer only for sim 2
Thank you for your help.
Click to expand...
Click to collapse
Did you tried to make a call from sim1 and from sim2 and VoLTE doesn't work? Or you wanna get the VoLTE symbol near phone signal for both sims in statusbar? If this last one you want, it makes no sens, because you can't make 2 calls (using sim1 and sim2) simultaneously anyway My guess is that VoLTE automatically applies to the sim you use to make a call (I'm guessing because I use only 1 sim in my phone)

Alin45 said:
Did you tried to make a call from sim1 and from sim2 and VoLTE doesn't work? Or you wanna get the VoLTE symbol near phone signal for both sims in statusbar? If this last one you want, it makes no sens, because you can't make 2 calls (using sim1 and sim2) simultaneously anyway My guess is that VoLTE automatically applies to the sim you use to make a call (I'm guessing because I use only 1 sim in my phone)
Click to expand...
Click to collapse
For exemple 2 symbol on the taskbar with an Asus ZenFone 6View attachment 5126991
Envoyé de mon ASUS_I01WD en utilisant Tapatalk

VoLte dual sim

Is there a way to enable volte on the second sim?