Try the tips in Improving Signal Strength.
n
Check with your Internet service provider — a network or account problem may be preventing
n
your device from obtaining service.
Cannot Check for Updates
Make sure your device is connected to the AC charger or computer through the micro-USB cable.
Note: If you'll be using USB for data transfer (and not just for charging your device), you must install
the device driver. (See Making a Tethered Connection.)
Technical Specifications
The following topics list the electrical, radio frequency, and other parameters of your device for those
who require technical information.
Radio Frequency and Electrical Specifications
This section lists the radio frequency and electrical parameters of your device.
Item
Approvals
FCC
Battery
Size: 2500 mAh
Duration for full charge (AC charger / PC USB cable): 2.5 hours
Charge life:
n
n
Current
Maximum: ~900 mA
Standby current:
n
Transmit
LTE:
n
n
n
Receive
LTE:
n
n
n
Appendix
Up to 12.5 hours of active time
Up to 210 hours standby time
~6.5 mA (LTE)
Band 25: 1850-1915 MHz
Band 26: 814-849 MHz
Band 41 (TDD): 2496-2690 MHz
Band 25: 1930-1995 MHz
Band 26: 859-894 MHz
Band 41 (TDD): 2496-2690 MHz
Description
70