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17. 4 Calculator
1.
On the Home screen, tap Tools ->
2.
Tap numbers and use the arithmetic feature to complete an operation.
17. 5 Downloads
On the Home screen, tap Tools ->
17. 6 System Update
1.
On the Home screen, tap Tools ->
2.
Tap Check for update.
3.
Follow the pop-up prompts to update the system.
17. 7 Feedback
1.
On the Home screen, tap Tools ->
2.
Enter your feedback.
3.
Attach the snapshot.
4.
Tap Submit. Then the technical support will help you solve your issue.
17. 8 SIM Toolkit
On the Home screen, tap Tools ->
Note: Please insert a SIM card before you launch SIM Toolkit.
Tools
Chapter 17
Calculator.
Downloads to view the download information.
System Update.
Feedback.
SIM Toolkit to configure the settings.
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