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10.9 STK
The STK (SIM Toolkit) menu provides convenient SIM
card management features, such as SIM card services,
SIM applications.
10.10 SOS
For detailed information, please refer to "5 SOS".
10.11 Call Filter
Take control of your calls with Call Filter, block
unwanted calls and create custom blacklists.
10.12 Regulatory & Safety
View information about your phone, such as Product
model, Manufacturer name, IMEI, CU Reference, etc.
10.13 About
You can view Privacy and User Terms under this
menu.
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11
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 in your phone
as this may affect its performance.
and carry out the following checks:
My phone can't be switched on or is frozen
• Check the battery contacts, remove and reinstall
your battery, then turn your phone on.
• Check the battery power level, charge for at least
20 minutes.
My phone has not responded for several minutes
• Restart your phone by pressing and holding the End
key.
• Remove the battery and re-insert it, then restart the
phone.
My phone turns off by itself
• Check whether your phone is locked when not in
use, and make sure you don't accidentally turn off
your phone when locking it by pressing the End key.
• Check the battery charge level.
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