Convert 3G Phone to 4G Phone to support 4G Sim in 3G Mobile Contents [hide] 1 Convert 3G Phone to 4G Phone 1.1 Method 1: Convert 3G phone to 4G phone (For MediaTek processors) 1.2 Method 2: Convert 3G phone to 4G phone (For  Redmi 1S mobiles or Samsung 3g mobiles) 1.3 Method 3: Convert 3G phone to 4G phone (For Qualcomm Chipset Devices) Convert 3G Phone to 4G Phone … Continue reading Convert 3G Phone to 4G Phone to support 4G Sim in 3G Mobile