hi,I am Ravindra. I am using Sony ericsson z550i mobile. Even signal showing full,it displaying message no acces to network. I kept automatic in setting. If i swith off and swithon then again it will take signal.Thanks in advance
Hi Ravindra, the first thing I would suggest is trying your SIM card in a different phone. This will tell us if the problem is with your phone or the network.
If the problem is with your phone, I have fixed similar problems on Sony phones by flashing the firmware. It sounds scary, but Sony makes it really easy to do. You will need a USB cable to hook your phone up to your computer, then go to http://www.sonyericsson.com/cws/support/softwaredownloads/detailed/updateservice?lc=en&cc=us and download the update software. The software does the rest, it's easy as pie and has fixed many problems I've had with Sony phones.
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