Network issue with JIO sim - Redmi K20 / Xiaomi Mi 9T Questions & Answers

we have facing network issue with JIO sim after MIUI 11 update. unexpectedly my network is gone (NO SERVICE). i have both JIO sim and firstly network was gone in DATA connection sim and after rebooting my phone my both network is gone. network is comes in unexpected time, some time its takes 6+ hours and also my friend had K20 and we both facing this issue. i purchased new jio sim but unfortunately nothing changes, issue still present.
i had facing this issue in MIUI 11 stock, MIUI 11 china (android Q) and PA ALPHA 2. now I'm on PA ALPHA 2.

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network droping issue in oneplus 2

i am having several network droping issue repeatedly !! how to fix it please help me!! i am using jio 4g and airtel. and os version is oxygen 3.0.2
Network Dropping after OxygenOS 3.5.6 Update
I just updated my OnePlus 2 to OxygenOS 3.5.6 and now I'm having issues with the network dropping. The phone was working fine before hand and now this stupid update had to give me issues with the network. Can anyone think of a way to fix that or can help me downgrade back to the older version so I can actually use my phone. I need the phone for work.

Data Switch Bug

Currently I'm in AOSP EXTENDED with 2 sim cards - Jio & airtel. When I switch data Jio to airtel it causes bootloop. Can anyone tell me that if I put airtel in both sim cards & wanna switch data will it cause bootloop in custom ROMs ? I switched data in miui & worked fine... But i heard all custom ROMs have data switch problem... So is there any ROM which hasn't this bug ?
Thanks in advance...
try to switch both simcard to 2g first, and than switch data
Sent from my Wingtech Redmi 2 using XDA Labs

need some help

Hello everyone,
I'm using Pixel Experience on my Redmi 3S Prime. From last few days i'm facing a strange bug, i'm not able to make calls from my jio to any other jio number were as i can easily call any non jio number.
Flashed nitrogen os but still same issue was their.
Inserted friends jio sim card still facing same issue.
Please anybody know how to fix it.
Flash latest firmware

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.

Asus Zenfone Max Pro M1 Airtel or Jio sim detected but no signal only emergency

Hello Friends,
My asus zenfone max pro m1 when inserted with airtel or jio sim shows no signal and displays emergency. I even tried upgrading and downgrading but to no avail.
Curently my software version of is Andriod 9 and Build number is PKQ1.WW_Phone-16.2017.1912.060-20191125. when I try upgrading then I am unable to connect to my wifi, which I can connect to now it the current version. But in any version whenever I put in a airtel or jio sim there is no signal and displays emergency. Can any one suggest any solution to this kinda problem, would be greatful atleast I can use my sim on it. As it is a dual sim my Idea sim works fine in any slot one or two, but can't use airtel or jio in any of the sim. Kindly help. Thank you
Regards.

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