Develop Bugs

[Q] I9192: Not connecting to 3G network

I have a i9192 Duo that seems to be having issues connecting to the 3G network in my country (the phone is from a different country)
Essentially, it shows an "H" in the status bar at the top but it doesn't ever switch to H+ when I try to use data meaning that any requests to the internet just time out. Any reasons as to why 3G isn't working on this phone? Do I need to flash a new radio?
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There are rumours that samsung locks networks depending on the sales region code, so it would be valuable if you could check following:
1) the firmware you have ( with the key code #*1234#)
2) The customer.xml file in /system/csc directory
Interesting things are:
SalesCode
and the list of Locked Networks in the section Settings->Main-Security
Just take a look if 636 (01)- Ethiopian Telecom is listed
You don't need to root the device to read this file, just use other file manager like ES File Explorer

I've flashed the MTR Stock image and the Kenyan firmware so it might skew my results but here's what I see:
After entering in *#1234# I get this as the CSC: i9192OJVAMF3
In the customer.xml file it looks like the CSC is ACR but I don't see a section for Security or blocked MCCs

you could try this :
http://forum.xda-developers.com/showthread.php?t=2490419
the 3g switching process is quiet anoying on this phone

[Q] Sim card not detected emergency calls only

Dears,
kindly I need your help as my N7100 dosen't detect the Sim card and has no operator when I tried to restore the official 4.1.2 Rom after I had installed the 4.3 test version.
The original 4.1.2 rom details :EGY N7100XXDMC3-20130422181853.
Thanks

kbashandy said:
Dears,
kindly I need your help as my N7100 dosen't detect the Sim card and has no operator when I tried to restore the official 4.1.2 Rom after I had installed the 4.3 test version.
The original 4.1.2 rom details :EGY N7100XXDMC3-20130422181853.
Thanks
Click to expand...
Click to collapse
I was on the same boat yesterday...
Stay in 4.1.2 with root, BusyBox installed and internet connection (Wi-Fi). Download Ariza Patch from a link I'll post down there and click "apply patch" from left first button (V[1,0] Patch Uygula should say)
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It should work when your IMEI is ok (not 0049xxx, 00000) and your s/n too
And sorry my english, I'm from Venezuela.
Download link >>>> http://www.arizandroid.com/patch/ARIZAPatch.apk

s9+ doesnt want to update firmware/software

Greeting
I recently bought a phone from a second hand website a galaxy s9+ after confirming the IMEI that it is authentic I still am unable to update the software or firmware on the phone using the about phone menu.
I get the "registering device-process failed" error in the software update menu.I am currently residing in Namibia Africa but the phone is a SM-G965U American version.Also in the about phone section it shows United Arab Emirates TRA ID, how can I work around this to get the phone updated? it is still on android 8.0 on September 2018 security update.
thanks for the help.
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Flash with Odin

*Detection* said:
Flash with Odin
Click to expand...
Click to collapse
this is the first post the OP ever put up, might need some more guidance with odin
but you are correct IMO
OP go to sammobile.com/firmwares and get the files for the american carrier version your phone is for and flash them via Odin. The Odin process can look intimidating, but its completely doable and will likely fix your updating issue and also get the UAE stuff off the "about phone" section. Odin flashing is probably what got it there in the first place

Having troubles changing my csc from skc to koo

Hello guys i have a Korean skc branded note 10+
I moved to egypt and im using vodafone egypt sim card but im having troubles with mobile internet, i called the isp and they said i should choose a different carrier from settings and then turn back to vodafone. But because mh phone is skc i dont even have the option to change the carrier.
I tried flashing a new rom from sammobile
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I chose the right firmware for my phone and chose koo as my csc but when i finished flashing nothing changed, im still on skc edition not the unlocked version
Any help?

Hi guys i already have a post in Q/A section but so far no answers so i thought i might get better help/experience here
I downloaded my device specific rom with koo csc ( to be able to choose different carriers in the settings > connections > mobile networks )
Because i cant find this option in my rom even though I've already flashed the rom with koo csc but after i finished, nothing changed ... boot screen still showing skc logo animation and
Service provider software version still shows:
SAOMC_SM-N976N_OKR_SKC_RR_0005
SKC/SKC/KOO/SKC
This is the rom i used
PDAN976NKSU2FUG2CSCN976NOKR2FUG2

Samsung S20 no network after update

Hello, I bought a Samsung s20 phone, it was worked correctly, I see the network, I could call but ,I could not watch netflix, phone had android 11 netfix need upfate phone . It had updates January 2021 android 11, unfortunately when I tried to update normally i see a ..registration error,, popped up.
I decided to upload him manual updates android 12 I downloaded odin and ori soft with ,,sammobile,, I updated and now all applications work, unfortunately the phone sees the number after inserting the sim card and the sim unknown range is crossed
Before the update
I still remember that binary was custom firmware, so something was changed, unfortunately I did not take pictures
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AFTER UPDATE
IMEI STATUS IS NG what custom software to install to recover the network?

Hi
it could be simlock , and someone has unlocket its network with a Box , so now it has network problems ,
go to a samsung customer services Or someone who know about these Box and software issues