Dear Haruna,
Gionee M6 screen is Gorilla glass. It can not be repaired but it can only be replaced. We can assist you with this as we have the original screen and experienced Gionee technicians at Fixpie that will fix it for you under 24 hours. You can use this repair form to contact us and provide more details for same day repair. Our team can also pick up the Gionee M6 phone from your location and return it back to you after repair.