Compatibility: Grade A+ Replacement 6.4″ Mobile Phone Display For Samsung Galaxy M21s F415F AMOLED Screen SM-F415F, SM-F415F/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.