you have to go local store to purchase cheaper spear parts if you send me your address I can help you to which market you have to go for cheaper spear parts
If you are connected to the internet (via Wi-fi or your mobile data), you can access your phone after a few unsuccessful attempts by typing the password from the Google account assocciated with the phone (it will prompt that option). If you are offline, then the only way to reset the unlock pattern is by doing a factory reset from Recovery. Check this video: HOW TO HARD RESET WIPE DATA FACTORY RESET MANUAL RESET ON SONY XPERIA...
The range of possible root causes is huge, it is almost impossible to tell exactly what might be the problem. Before getting the device to Sony for check, i would simply try to reinstall the Operation system on the phone with the help of a pc software called Sony Update Service. This is my only guess or advise.
Did you check restarting your device? It happened with me also but the restart worked fine. If this does not work then try to put other sim card and check. If it happens again try resetting your device.
You need to hack it or bypass it. There is software out there but I am not sure what phone is it. but try getting a hack from the internet. it will take as long as 6 days to hack your phone
This may be a problem with your cellular network more than your phone. You can take your phone in to an authorized Apple dealer to check on the problem just to make sure that it isn't your phone giving trouble.
Usually after entering the incorrect pattern five times it will lock up for 30 seconds, but it will also provide an option on the bottom of screen that says "Forget pattern?" You must enter your User name and password to reset the pattern.
