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• Contact your network carrier to check service availability and MMS parameters�
• Verify the server center number or your MMS profile with your carrier�
• The server center may be swamped� Try again later�
• Start a new Messaging string� You messaging string may have reached its limit�
SIM card PIN locked
• Contact your network carrier to obtain the PUK (Personal Unblocking Key) code�
I can't connect my phone to my computer
• Install Smart Suite�
• Check that your USB driver is installed properly�
• Open the Notification panel to check if the Smart Suite Agent has been activated�
• Check that you have marked the USB debugging checkbox�
• Check that your computer meets the requirements for Smart Suite installation�
• Make sure that you’re using the right cable from the box�
I can't download new files
• Make sure that there is sufficient phone storage space for your download�
• Select the microSD card as the location to store downloaded files�
• Check your subscription status with your carrier�
The phone can't be detected by others via Bluetooth
• Make sure that Bluetooth is turned on and your phone is visible to other users�
• Make sure that the two phones are within Bluetooth’s detection range�
The battery drains too fast
• Make sure that you follow the complete charge time (minimum 135 minutes)�
• After a partial charge, the battery level indicator may not be exact� Wait for at least
20 minutes after removing the charger to obtain an exact indication�
• Adjust the brightness of screen as appropriate�
• Extend the email auto-check interval for as long as possible�
• Update news and weather information on manual demand, or increase their auto-
check interval�
• Exit background-running applications if they are not being used for extended
periods of time�
• Deactivate Bluetooth, Wi-Fi, or GPS when not in use�
The phone becomes warm following prolonged calls, game playing, internet surfing
or running other complex applications
• This heating is a normal consequence of the CPU handling excessive data� Ending
the above actions will make your phone return to normal temperature�
After Factory data reset is performed, I can't use my phone without entering Google
account credentials
• After reset is performed, you must enter the original Google account credentials
that were used on this phone�
• If you don’t remember your Google account credentials, complete Google account
recovery procedures�
• If you still cannot access your phone, apply to the authorized repair center, but
remember that it will not be regarded as warranty case�
The phone doesn't ring when a call or message arrives
• Make sure that Do Not Disturb mode (go to Settings > Sound & notification > Do
Not Disturb) is not activated�
• Press the Volume up/down key to adjust volume�
I forget some passwords/codes/keys on phone
• Perform Factory data reset�
• If you still cannot access your phone, apply to the authorized repair center, but
remember that it will not be regarded as warranty case�
