1. To access BatteryBoost, from the homescreen, tap BatteryBoost.
    Note: You can't use BatteryBoost if Mobile hotspot battery is below 10%.
    device 5065/9006563_01.jpg
  2. To use BatteryBoost, connect the BatteryBoost cable from the Hotspot to the phone, then tap Turn on boost mode. 
    device 5065/9006563_02.jpg
  3. To turn BatteryBoost off, tap Turn off boost mode. 
    device 5065/9006563_03.jpg