Introduction

1. Test Menu - lets you troubleshoot hardware issues and check your phone's functionality.

2. Safe Mode - all third-party apps are disabled and some settings are temporally rolled back to default settings

3. Developer Options - In this menu you will find settings used for debugging and application development (like enable USB debugging). Do NOT change the settings unless you know what you are doing !!!

4. Info Menu - Phone and battery information, usage statistic and Wi-Fi information.

5. Snapshot - If you want to share what you see on your phone to a friend, or to save something for future reference.


Video Overview

Open the dealer app and enter this code: *#3424#*#* *#3424#*#*
  • Open the dealer app and enter this code:

  • *#3424#*#*

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Open Power off menu. Tab and hold Power off option until you see Reboot to safe mode menu and select Restart. The phone will restarts to safe mode.
  • Open Power off menu.

  • Tab and hold Power off option until you see Reboot to safe mode menu and select Restart.

  • The phone will restarts to safe mode.

  • To turn off Safe mode, remove the battery.

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> Settings > About > Software Information
  • > Settings

  • > About

  • > Software Information

  • > More

  • Tap Buld number 7 times.

  • Your Developer options menu is unlocked. In this menu you will find settings used for debugging and application development.

  • If you want to root the phone, you have to enable USB debugging from this menu.

  • Do NOT change the settings unless you know what you are doing.

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From the dealer app enter this code: *#*#4636#*#* Here you will find some helpful information for your device.
  • From the dealer app enter this code:

    • *#*#4636#*#*

  • Here you will find some helpful information for your device.

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To make a screenshot press simultaneously: Volume Down + Power or
  • To make a screenshot press simultaneously:

    • Volume Down + Power or

    • Home + Powe

  • .

  • .

  • .

  • That's all.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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ZFix

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