[Q] After flash the phone, unable to connect to 3g - Xperia Arc Q&A, Help & Troubleshooting

I recently flash a LT15a with flashtool 0.6.9.1 and use LT15a arc_v2.3.4, 4.0.2.A.0.42_Generic America but now the phone is not connecting to 3g or wireless networks, is able to make calls.
When I access the menu of the phone, shows only GSM and CDMA, also shows that GPRS is disconnected. Is there any way to set up or fix this?

Did you tick the "exclude baseband" box?, or try with another firmware
Enviado desde mi LT18i usando Tapatalk 2

have you downloaded APN settings?
Sent from my Xperia Arc S using xda premium

sometimes it also happen to me that the APN settings were not there after upgrade. I would bet that is your problem, especially as you are stock

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[Q] Cannot connect to mobile network / 3G

Hi
Since "recently" (this afternoon, or so), I am no longer able to connect the mobile network / 3G. When I go to settings -> network -> more -> mobile network, I am not even able to find a provider, when I click on search.
I tried switching to airplane mode for a few seconds - didn't help.
I tried rebooting - didn't help.
I tried wiping cache and rebooting - didn't help.
Heck, I even just now flashed a new ROM (AOKP milestone 4; did a factory reset, data/cache wipe) - didn't help.
I had the stock ROM 4.0.2 installed with the stock radio, see http://ge.tt/2JYQ7jE/v/0?c
Now I'm on AOKP 4, see http://ge.tt/2JYQ7jE/v/1?c
Well…
What to do?
Thanks,
Alexander
i have the same problem ;/
Need help
Hi all,
I've got an X10i to fix it. CM7 and Doomkernel had been flashed on it. It works but cannot connect to any mobile network.
I have flashed a generic and a branded rom, but it doesn't work. The phone finds the networks but it can't connect. It writes: 'your sim card does not allow a connection to this network'. I have checked it is debranded.
Could you please help to find out the problem?
Try new sim card. If not use a toolkit to flash back to stock
Sent from my Galaxy Nexus using xda app-developers app
vabeachfc3s said:
Try new sim card. If not use a toolkit to flash back to stock
Sent from my Galaxy Nexus using xda app-developers app
Click to expand...
Click to collapse
I have tried both thing but it doesn't help..

ICS Wi-Fi Issue !!!!

After Updating to ICS 4.0.4 . FW - .431 .....my Wifi gets very weak network bar , while i am close to my router.it often gets disconnected.in GB my network was full bar on my same network.
My Question is there a Fix for this ?
I am running on Everything STOCK ! my bootloader is still Locked .
Weird....
Try to disable Wifi N on your router (only enable Wifi B/G).
It worked for me.
I remember seeing something about changing build.prop to your country but not sure if that actually worked.
How did you update? Try repairing from seus.
Sent from my LT18i using xda app-developers app

Doesn't auto connect to phone network - FIXED

Good day.
I have a E975, from Orange (Spain).
I unlocked the bootloader with Free Gee
I had the last stock update from my provider, the one that allowed 4G networks. It worked correctly on stock.
After a reboot, it doesn't connect to the mobile network, but it does connect if I go to the network settings and pick the correct network (Orange).
It doesn't connect either if I choose the "Automatic network selection option", I have to manually pick the network.
It happens to me using CyanogenMod and Paranoid Android, in their last versions.
Does this happen to anybody else? Is there any solution?
Thank you.
EDIT:
Fixed it.
I restored EFS from FreeGee.
Thank you.

[CYANOGENMOD 14] Radio Problem

Today I install this rom, but i can not find a solution to my problem. The phone doesnt connect to my carrier Internet service (Pepephone). The APN is on the mobile, and i also add the correct one, but it dont do anything. Is there any solution?
Thanks and sorry for my bad english.
I also have the issue on 3uk no data logo , however if you turn data off and on , there will still be no data logo such as h or lte but my internet works
Sent from my MI MAX using Tapatalk
Or try a soft reboot.
Alot of fixed coming today.

Zuk Z2131 no cellular network after reset!

Hello,
I did a factory reset of Zuk Z2131 which caused an issue of no cellular network after the reboot.. I can't understand how a soft reset can cause an issue! Will I have to reinstall the firmware? Please help!
aadil8 said:
Hello,
I did a factory reset of Zuk Z2131 which caused an issue of no cellular network after the reboot.. I can't understand how a soft reset can cause an issue! Will I have to reinstall the firmware? Please help!
Click to expand...
Click to collapse
Set apn
Sent from my Z2 Plus using Tapatalk
Bharath A said:
Set apn
Sent from my Z2 Plus using Tapatalk
Click to expand...
Click to collapse
Cellular Network option is dimmed which allows you to set APN..
Try reflashing the rom
aadil8 said:
Cellular Network option is dimmed which allows you to set APN..
Click to expand...
Click to collapse
See if you can change preferred network type & also check if your phone connected to appropriate network, if not change manually.
Sent from my z2_plus using XDA Labs

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