Product: Mobile > Cell Phones > More Cell Phone Providers > HELIO > SPH-A523
How Do I Turn On/Off My Helio SPH-A523 (Mysto)?
To turn on the Helio SPH-A523 (Mysto) handset first open the slider then press & Hold the red button , located on the lower right hand side of the handset, for two seconds or more. To turn the handset off, repeat the same steps again.
Note: If the handset is on and you press the red button , for less than one second, the device will not power off. This prevents the handset from being turned off accidentally.
For more information on the Helio SPH-A523 (Mysto) click here.