I have 3.5 yr old 6+. With old battery, it was throttled to 600MHz. Changed battery(just before prices dropped) and now runs at 1400MHz again. It runs great. (

I have 3.5 yr old 6+. With old battery, it was throttled to 600MHz. Changed battery(just before prices dropped) and now runs at 1400MHz again. It runs great. (Still on 10.3.3) Rock solid.