Summary
Press the Power button for 2-3 seconds to turn your Sidephone on. Press and hold the Power button, then confirm Power off to turn it off.
Note: Before powering Sidephone on, it is best practice to have the keypad that you would like to use inside the device. Powering on the phone without any keypad inserted may lead to the keypads appearing to be unresponsive until the phone is restarted with the keypad inserted.
Steps
To turn Sidephone ON
Locate the Power button on the right side of the device.
Press and hold the Power button for 2–3 seconds and then release the Power button.
The phone will power on after an additional 2-3 seconds and the Sidephone logo will appear.
To turn Sidephone OFF (normal shutdown)
Press and hold the Power button for ~2 seconds.
When the power menu appears, select Power off.
Confirm Power off if prompted.
To force restart (device frozen/unresponsive)
Press and hold the Power button for 10–15 seconds.
Release when the screen goes black and the device restarts.
Edge Cases
No on-screen power menu appears: Continue holding the Power button for a forced restart.
Battery fully depleted: The phone will not power on until connected to a charger for several minutes.
Accessory keypad attached: Power button behavior remains the same regardless of keypad module.
When to Contact Support
Contact Sidephone support if the device does not power on after 15 minutes of charging and does not respond to a 15-second forced restart.
What to Collect for Support
Whether the device vibrates or shows a logo when the Power button is held.
Whether the phone had at least 5% battery before attempting to power on.
Whether the device was connected to a charger and for how long.
Whether the issue occurs with or without a keypad attached.
If, where and how long the device was introduced to liquids or moisture.
Any message shown on screen (if any).
Whether the device had ever worked.