Please tell us some basic information before asking for help: Model Name: Firmware Version: Rooted or not: Frequency of Occurrence: APP Name & APP Version (If your issue relates to the app): In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc. ========================================
If you've tried everything (Restart, Reset, Safe Mode) that you can then take your phone to nearest service centre.. Or There's an update rolling out, though it doesn't contain any wifi related fix but atleast one more thing you can do