Gt-p3100zwavgr - Upgrading, Modifying and Unlocking

HAPPY NEW YEAR !
hello
I got a samsung galaxy tab 2 7.0 3G Wifi 8GB - GT-P3100ZWAVGR on her back
I need to know what kind a 3G modem does it use, cause I upgrade to 4.1.2. from France and now it sais : "Not registered to network" when i put a SIm card in it and want to use 3G connection
thanks in advance

Related

no network

hey ppl, i got desire on base network, originally tmobile uk, unlocked and rooted, but i dont get network herem when i insert uk sim network is very good but as soon as i insert belgium base network sim i dont get network, i get network once in 2 days and works for couple of hours and as soon as i hit any area where there is no network i wont get it back again for another few days. is there any trick to get rid of it? i have tried all rom and changed radio also
thanks in advance

[Q] How to get 3G/HSPDA Data on International Samsung Galaxy S3

Hi I just recently bought an international Samsung Galaxy S3 and for some reason I can only get EDGE data on the phone. Under specs the phone says it supports 3G/HSPDA data. I have Simple Mobile and have set the APN to Simple Mobile and still only get EDGE. I have also noticed that when running a SpeedTest it says the closest server/tower to me is Whichita, Ka which is ridiculous because I'm in New York City. Can someone please tell me how to get 3G/HSPDA data on my phone. Thanks in advance!

Samsung S4 3G issue

Hi guys
I’m new here and I need your help.
I have Samsung S4 International bought on amazon in US, no simlock.
I use this phone in Ireland in Europe.
Everything was ok until a few months ago when I lost 3g connection. Science then my phone is working in 2g only mode (gprs/edge speed)
Phone was running on stock rom android 4.4.2, I thought it is a software issue so I rooted phone and installed CyanogenMod. Unfortunately it did not help 
Phone still synchronise with 2g network instead of 3g even in capital city next to BTS.
I was wondering is 3g module broken and what could be a reason of that? Do you have any idea how could I fix it, what would be a cost of doing it and is it even worth it.
Except that, phone is working ok. GPS with finding a fix is a little bit slow but this is not a big issue.
Thanks in advance
FMX
Current details about phone:
GT-I9505
4.4.2
Kernel 3.4.0-cyanogenmod-g2ab6e0f
Baseband I9505xxugnh8
Build cm_jfltexx-userdebug 4.4.2 kot49h
LOL ....Compare S4 and G4.
Sent from my LG G4 H815 US 4G LTE
Really
Cool. Check out the s4 forums

Samsung N7100 strange issue with SIM card

hello people!
last year i was using a samsung galaxy mega i9205 4G with a 3G sim. so I went to Orange to take a 4G sim. DONE!
my phone broke and i had to use the sim in another phone, N7000, 3G. when i was outside, not connected to WIFI, the signal disappeared. after a restart, the signal was back, but for some short time.
i changed the N7000 with a Huawei P8lite 4G and the problem was gone.
after a while i changed the Huawei for a N7100 and the problem is back... if i change to GSM mode, i have signal, but if i change it to 3G mode, the signal is gone. the sim card is 4G. i can't find any 3G sim card any more in the stores.
the guys from client support didn't hear of this issue until now...

[Question][X9076]Modem issue

Hi guys, I think I have problem with my modem.
Around 3 months ago I bring my phone to Oppo Service Center because I cannot get 4G connection, I can only get 3G or H+.
The technician said that my 4G antenna is broken, it need to be replaced if I want 4G connection (price more than USD 200), I cancel it, because this phone is my daily driver I cannot let it stayed in the service center.
Then the strange things happen, last week I went to Bangkok, I bought sim card, and I get full 4G connection, but after I came back from my trip and use my sim card, it sill can only get 3G or H+.
My sim card was tested in Huawei and Samsung and it get 4G connection, so I don't think my it is a problem with my sim card too.
I'm from Indonesia, btw.
Need advice from you:
1. Have any of you experience this before?
2. Do you have recommendation for modem version that I can try?
I'm running official (rooted) ColorOS 2.1.5i with TWRP and SU installed.

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