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The Smartphone Will Not Turn On
Make sure the battery is charged. Once plugged in, the battery must charge
for a short time before the phone can be turned on.
Dropped Calls
Many issues can interrupt network signals, such as large metallic or concrete
objects, being underground or moving too quickly between network nodes.
The phone's reception and data transfer abilities are tied to the strength of
the local network. Between network nodes, it is possible for the phone to
lose coverage. Also, though the phone dynamically shifts from one node to
the next as it travels, it is possible for nodes to be too far apart or to fail.
The simplest solution is to move to an area with better coverage. If signals
continue to drop while traveling, staying in one place often helps.
The phone has a very sensitive antenna, but in areas with poor signal
strength, try holding the phone away from any large objects, including the
human body. If necessary, use a hands-free device. Lifting it up sometimes
helps when inside buildings.
The object is always to create a clear path for network signals.
Maximizing Battery Life
Over time, the battery will slowly lose its ability to hold a charge. This is a
natural limitation of current battery technology. If the battery no longer
maintains a charge, have the battery replaced.
The more charging cycles the battery goes through, the more quickly its
ability to hold a charge will diminish. That said, even if it remains unused,
over time, the chemical power storage capacity of the battery will decrease.
Simply not using the battery is not a good strategy. Avoid buying multiple
spare batteries at the same time, as their ability to hold a charge begins to
decrease immediately after manufacture.
Under normal circumstances and use, the battery should be useful for years
and thousands of charging cycles.
172 Appendix
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