You know Huawei GR5? The phone with model number KII-L21 is now getting a new Android 5.1 Lollipop firmware, which comes with build number L21C636B130, EMUI version number is 3.1, release date is February 15, 2016. The B130 firmware update for Huawei GR5 L21 is confirmed in Vietnam. It should eventually expand into other countries […]