crwdns2934241:0crwdne2934241:0 run fel
crwdns2934249:0crwdne2934249:0:
I had this problem too on the Huawei Y520-U22, and I solved it with a factory reset (Settings>Backup & Reset>Factory data reset). I must say that Huawei really designed this phone badly, but I only bought it as an extra 2-sim phone.
crwdns2915684:0crwdne2915684:0:
open