Compatibility: Grade A+ Replacement 6.5″ Mobile Phone Display For Samsung Galaxy M31s M317F Screen SM-M317F, SM-M317F/DS.
Quality and Durability: No dead or stuck pixels and partial sub-pixel defects. 100% Fully Guaranteed Functional. 90 Days for refund or replacement.
Installation: Professional installation is highly recommended! all the installation operations should be operated by repair center or professional repairmen.