Mobile Network Problems

[temitopegb]

So... On My Xperia Z (c6602), it is almost impossible for me to use my mobile networks. When i first got the phone it worked great. Fast reliable network, then all of a sudden, it was either the network was outrageously low or couldnt be found at all.

Could this be a software or hardware issue. I've done a factory reset and still the same thing.

Wifi works great...i just cant use the mobile network.

Is there any solution?

[Sam]

Please try testing another SIM in the phone to rule that out first.

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[temitopegb]

I have tried about 4 diffevent Sims from different networks. Even took my SIM Back to my network provider and got a new one, I still have the same problem.

Have also swapped between 3G and 2G (wcdma/gsm). I have put my SIM in other phones and it works Great.

[GeoffH]

just in case sam is busy

you may have a hardware fault as nobody else is reporting this issue

you say you did a factory reset - lets take that a step further as a last resort before returning your device for repair

Download SUS (sony update service) and perform an update repair - backup your data first

After this repair do not install any software and test out the network to see if the problem persists - if it does then return the device to retailer or a sony service center for evaluation

regards

[temitopegb]

Thanks.

But it still didnt work. Problem is even worse now. I get absolutely no service @ work and limited service @home.

[Arjun]

If it still doesnt work after the repair using sony update service as GeoffH already pointed out it is most definitely a hardware problem, take your phone to the service center

[Zann_H]

did you buy your Z from the same mobile operator?

when you say you have problem, are yo refereing to data(internet) or normal phone functions like phone calls & sms?

other that the mobile operator replacing your sim card, did they mention or tried anything else?

when you first setup your phone, did u download the internet & sms settings for your network?

did you try different APNs on your phones?