Easiest, but not likely: your SIM is shifted or the contact continuity has degraded. Shut off phone, pull out sim and check condition of contacts on SIM. I've had to clean a really old and corroded SIM with the eraser on a pencil before. I stuck the center of the eraser over each contact pad on the SIM and gave a dozen or so back-forth twists to rub the oxide buildup away, repeating in a grid pattern to cover the entirety of the contacts. Once done, blow off any loose debris and pop the SIM back in and give it a go., Pay attention to SIM pad to phone contact alignment, particularly if you're using a cut down full size SIM, also. IF that doesn't work, there's another common, but really annoying firmware corruption issue that occurs somewhat often: 1. Go to the phone dialer and enter *#*#4636#*#* to pull up the hidden testing menu.(4636="INFO") and the menu should pop up as soon as you press the last * key, without having to hit dial. 2. pick first menu option "Phone information" 3. The first line on the...
Nope not even close. Firstly it's Black and Decker. Second, you have no foundation for the assumption that since the same company makes both they must be the same.
Nope not even close. Firstly it's Black and Decker. Second, you have no foundation for the assumption that since the same company makes both they must be the same.