i have 2 phones one i us most of the time one is for drunk nights out etc bc i dont want my other one to get lost damanged stolen. the 2nd phone is lg optimus black p970. its been working 100% fine. i havent used it for about a week. tongiht i go to use it and keep gettin the com.android.phone error. & the signal drops. i have NO IDEA why. i use the same sim in both phones so just take it out phone 1 and put into phone 2 when i decide to use the other. i havent updated anything new (apps) i have updated the software or anything. a week ago i powered it off and it had been working fine. all i did tonight was power it on, went to send a text and it gives me that error. the same with whatapp. dl'ing apps works. any idea what it could be & why its happened? how to fix?