When the Push option is
turned on, information updates are sent to your iOS device as your provider
receives them. However, leaving Push on all the time consumes battery power.
Unless you need your emails to reach you immediately, you should turn Push off and
use the Fetch option, which checks for messages periodically. Here's how to
save battery by setting Fetch frequency for mail.
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To do this,
·
Open
Settings
·
Select
Mail, Contacts, Calendar.
·
Tap
on Fetch New Data.
·
If
Push is on, turn it off.
