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If your battery history shows steep declines, check the following:
1 - Cellular network signal - As the network signal gets weaker, the phone uses up to three times more
battery power than normal to maintain the network connection. Colors indicate the signal strength:
Green
Great signal
Gray
Good signal
Gold
Moderate to poor signal
Yellow
No signal
Red
Scanning for network
Black
Not using cellular network
If the signal strength is poor or worse, move to a location with a better network signal or use Wi-Fi for
data.
Tip: A weak network signal can also cause static on calls, one way calls, dropped calls, connectivity and
data issues, slow performance, and other issues. Even if your geographic area has good network
coverage, building walls, underground locations, dead spots in coverage, and other environmental
factors can impede the signal. In this case, move near a window or use Wi-Fi.
2 - GPS - Blue indicates that GPS was on. When possible, charge your phone while using GPS.
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