HUAWEI fixed wireless terminal f501 does not recognize SiM card
Check whether the loosening of the mobile phone SIM card slot for some mobile phone sales work, often need to plug SIM, so it is easy to cause bad contact SIM card, for this problem we are loaded before Sim can be fixed metal shrapnel SIM card gently press down into the SIM card, a pressure again gently, or put the SIM card and move back and forth.
Verify whether the mobile phone is bad to get a mobile phone inside others can normally use the SIM card on the card mobile phone does not recognize the SIM above, if the normal SIM card is not recognized, so that some part of the mobile phone is broken, may be a hardware problem, may also be a software problem, this will require detailed analysis.
Let's talk about the simplest reason, check the SIM card is not inserted, inserted in reverse, the phone can not be read to the SIM card, then we need to correct the way to re insert sim card. Check verification is not bad for a SIM card using the normal mobile phone, the SIM card on the other normal other mobile phone, to see whether the identification to the SIM card, if others cannot identify the normal mobile phone SIM card, so that the SIM card is broken.
