Flex Cable Ribbon with Memory SD & SIM Card Tray Holders Replacement for Samsung Galaxy Express i437 (R0.4b) Flex Cable Ribbon with Memory & SIM Card Holders Replacement for Samsung Galaxy Express i437 (R0.4b) No instructions manual include. Professional technician is needed for installation. We wont responsible for any damage due to improper operation. *Repair/Replacing old, broken, damaged Flex Cable Ribbon with Memory & SIM Card Holders Compatible with: Samsung Galaxy Express i437 (R0.4b) Pacakge include: 1x Flex Cable Ribbon with Memory & SIM Card Holders