BackHow to change the email syncing frequency on my HTC One M9 — Step 1/11
If your HTC One M9 automatically checks for new email messages, it will access the mobile network often, which can use a lot of battery power. Turning this setting down or off will help prolong battery life.
BackHow to change the email syncing frequency on my HTC One M9 — Step 5/11
Back Touch the account you want to edit.
BackHow to change the email syncing frequency on my HTC One M9 — Step 8/11
Back Touch Sync, Send & Receive.
BackHow to change the email syncing frequency on my HTC One M9 — Step 10/11
Back Touch the desired option (e.g., Every hour).
BackHow to change the email syncing frequency on my HTC One M9 — Step 11/11
Back The syncing frequency has been changed.