yotaphone 3 no 2g or 3g connection. only 800 mhz 4g connection - YotaPhone 3 ROMs, Kernels, Recoveries, & Other Dev

Hello all
Since i have updated to the latest firmware . Y3xcsn06a1000mpx1806223
The phone doesn't wants to connect to 3g or gprs or edge .
When I make a call it's said . Cellular network not available .
It's only connected to 4g with no call and no sms
When 4g is not available . It's said no services .
Please fix it or send me the older firmware to revert back to it .

OK! I'm share my 20180510 's NV Backup.
This's QPST NV BACK
Link:https://pan.baidu.com/s/1wM7rLfus3q5ANr-zgiPefQ
password:p0cc

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[Q] Samsung Galaxy s II i727r Skyrocket have signal problem in 4g

I buy Unlock Phone Samsung Galaxy s II i727r LTE Rogers from Canada right now iam in India my android version is 4.1.2
When i open Network Mode Its showing me
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Hi
Your observation is true..I have Skyrocket,but the ATT Version,using with BSNL..
My network mode is not exactly the same...so..I have 'WCDMA Preferred'..and using it I get 4G(HSPA)..but with 1 or 2 signal bar at my home...but at some places I get good signal(4G is not avaialbale everywhere).Since I'm not a internet freak,i switched over to 'GSM Only'.in which I get at least 4bars..with good internet connectivity('Edge'!)
India is not truly a 3G place,leave alone 4G..Mind you this is the situation at 'India's so called silion valley'--Bangalore:highfive:
If the Rogers one don't have this,may be FLASH a ATT ROM---I use
HTML:
"SUPERLITE ATT JB 4.1.2 RooTeD ... By vincom "[URL="http://forum.xda-developers.com/showthread.php?t=2237940"]http://forum.xda-developers.com/showthread.php?t=2237940[/URL]
Good luk
nrvjain said:
I buy Unlock Phone Samsung Galaxy s II i727r LTE Rogers from Canada right now iam in India my android version is 4.1.2
When i open Network Mode Its showing me
GSM/HSPA/LTE (Auto connect)
GSM/HSPA (auto connect)
GSM only
HSPA Only
1) When i select any of the above option except "GSM only" its showing me weak network signal only 2 to 3 point instead of 5 and its keep on changing frequently not stable and its shows 4G sign but internet speed is good but weak signal because 4g Won't support in india
2) when i select "GSM only" then its show full signal and its work fine but its show 'e' sign means 2g speed very slow internet speed
3) So i talk with Idea Operator they told you select WCDMA Option but that option is not available so how to bring that option in network mode
so please help me to solve this signal problem with 3g running right now weak signal with 4g
Thanks in advance
Click to expand...
Click to collapse

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Hey Guys ,
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