Samsung Blackjack SGH-I607 Smartphone "phone rings once hour" Questions

...phone rings when people call so i'll take it. I had the same damn problem. Took the battery out and put it right back in and now everything works. I now hear all calls. Hot damn. Okay I had the same ...

once received the No Service message. At first, I thought it was my phone, and tried powering it off and back on. That didn't work, then I tried taking the battery out for a few minutes, and that didn

...once the charger is removed. This all started a couple of days ago when the phone rang and immediately switched off as the low battery warning had been beeping for about half an hour and the phone ...

...phone has not been able to make outgoing calls without saying "Call Failed" and no one can call me.....it rings once or goes straight to my voicemail. The only thing different yesterday was that my ...