How to open Developer Options in LSMARTLIFE SN91

  1. The device must be turned on, so hold down the Power key for a short while.
  2. In the next step from Main Menu find and select Settings and open About device. Permanently delete data from LSMARTLIFE SN91
  3. Then tap 7 times in Build number to become a developer. Hard Reset LSMARTLIFE SN91
  4. Excellent! You have just activated the Developer Options.

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