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20 Your T-Mobile myTouch 3G Slide user guide
Battery
Your phone comes with a rechargeable Lithium-ion polymer or Lithium-ion battery and is
designed to use only manufacturer-specified original batteries and accessories. Battery
performance depends on many factors, including network configuration, signal strength, the
temperature of the environment in which you operate your phone, the features and/or settings
you select and use, items attached to connecting ports, and your voice, data, and other
program usage patterns.
Inserting the battery
1. Remove the back cover. Refer to "Removing the back cover."
2. Insert the contacts side of the battery first and then gently push the battery into place.
Removing the battery
1. Remove the back cover. Refer to "Removing the back cover."
2. Lift out the battery from the notch on the back of the phone.
Charging the battery
The battery is partially charged when shipped. Before you turn on and start using your phone, it
is recommended that you charge the battery. Some batteries perform best after several full
charge/discharge cycles.
1. Attach the power plug to the AC adapter.
2. Connect one end of the USB cable to the sync connector on your phone.
3. Connect the other end of the USB cable to the USB port of the AC adapter.
4. Plug in the AC adapter to an electrical outlet to start charging the battery.
As the battery is being charged, the notification LED shows a solid red light when the battery is
being charged. The light turns to solid green when the phone is fully charged.