iOS and battery optimization, Cellphone robocalls

Tech Talk #208–July 8, 2023 iOS and battery optimization The first generation of cell phone batteries were Nickel-Cadmium (NiCad) batteries. NiCad batteries were toxic (the Cadmium part,) heavy, had overheating issues, and developed a memory effect from charging cycles. This memory effect was the source of the old advice to drain your phone down to 0% battery before charging it again. Along came Nickel-Metal Hydride (NiMH) batteries. NiMH batteries got rid of the toxic cadmium,