After 15.1.C.2.8 system update my phone needs charge in every 4 or 6 hours phones stamina mode is on before update my phone's battery backup was one and half day this is serious problem please give me solution soon
Check what's draining your battery, if you have multiple syncing apps and/or background apps and/or playing games or the screen its on often, bluetooth on, wifi on, gps on, poor network coverage it will drain your battery fast, that's normal
