Bedienungsanleitung Alcatel U3 - 4049D (Seite 47 von 51) (Englisch)

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Troubleshooting ..........................

Before contacting the service centre, you are advised to follow the instructions

below:

• You are advised to fully charge the battery for optimal operation.

• Avoid storing large amounts of data on your phone as this may affect its

performance.

• Use the FOTA (Firmware Over The Air) Upgrade tool to update your phone's

software. To access System updates, touch the Application tab from the

Home screen, then select System updates or touch Settings\About

phone\System updates.

Touch

and the phone will search for the latest software. If you want to

update the system, touch the

button, and when that’s finished, touch

to complete the upgrade. Now your phone will have the latest software

version. You should turn on data connection or Wi-Fi before searching for

updates. Auto-check settings are also available. If you have chosen auto-

check, when the system discovers the new version, a dialog will pop up to

choose download or ignore, the notification will also appear in the status bar.

Don't change your default storage location while FOTA is downloading or

updating to avoid errors in locating the correct update packages.

• Use Factory data reset and Mobile Upgrade tool to perform phone

formatting or software upgrading (to reset factory data, hold down the

Power key and the Volume up key at the same time under power off mode).

ALL User phone data: contacts, photos, messages and files, downloaded

applications will be lost permanently. It is strongly advised to fully back up

the phone data and profile before doing formatting.

• Please pay attention that after Factory data reset is performed you may

be requested to enter Google account credentials* that were used on this

device before Factory reset. Otherwise you will not be able to use the device.

If you don’t remember your Google account credentials please complete

Google account recovery procedure. In case you don’t succeed in it - please

apply to authorized repair center, but remember that it will not be regarded

as warranty case.

* Applicable for Android OS versions starting from 5.1.

and carry out the following checks:

My phone can't be switched on or is frozen

• When the phone can't be switched on, charge for at least 20 minutes to

ensure the minimum battery power needed, then try to switch on again.

• When the phone falls into a loop during power on-off animation and the

user interface can't be accessed, press and hold the Power key to reset.

This eliminates any abnormal OS booting issues caused by 3rd party APKs.

• If neither method is effective, reset the phone using the Power key and

the Volume up key (holding both together) or upgrade software via Mobile

Upgrade tool.

My phone has not responded for several minutes

• Restart your phone by pressing and holding the Power key.

• Remove the battery and re-insert it, then restart the phone

• If it still does not work, use Factory data reset to reset the phone to upgrade

software.

My phone turns off by itself

• Check that your screen is locked when you are not using your phone, and

make sure the Power key is not accidentally contacted while the screen is

unlocked.

• Check the battery charge level.

• If it still does not work, use Factory data reset to reset the phone or FOTA

to upgrade software.

My phone can't charge properly

• Make sure you are using an ALCATEL battery and the charger from the box.

• Make sure your battery is inserted properly and clean the battery contact if

it’s dirty. It must be inserted before plugging in the charger.

• Make sure that your battery is not completely discharged; if the battery

power is empty for a long time, it may take around 20 minutes to display the

battery charger indicator on the screen.

• Make sure charging is carried out under normal conditions (0°C to +40°C).

• When abroad, check that the voltage input is compatible.

My phone can't connect to a network or "No service" is displayed

• Try connecting in another location.

• Verify the network coverage with your operator.

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