I have do wipe factory and cache. But it keep rebooting randomly on using.
Finally, I notice I cannot callout, and even not receiving call in,
also having problem on SMS (both receive and sendout is not working), it show the network is already there.
But funny the network is sometime getting lost.
then I downgrade with clean install to 2.2.1, it still not working, and then upgrade to 2.3.6.
NO working Till now.
Do anyone please help, and suggest? Many Thanks.
I have check the IMEI is correct