Hi All, 3-4 weeks b4 i update my android version from 2.1 to 2.2 using CM 6.x through clockword. Later, I started facing a problem in it my phone automatically reboots quite a couple of times in a day. So, i decided to restore phone to original 2.1. ANd, thereafter i restore all the factory settings. And, Installed various apps from market. Along, with ROM Manager. I click on flash clockword recovery in rom manager. ANd Installed clockword 2.5.x . After one week My phone facing unusual problem of detecting the SIm. Its, unable to detect the sim nowdays twice & thrice a day. I somehow make it abel to detect sim by restarting. THis problem still persists. Please provide permanent solution to this problem.