Huawei Y7 2018 (LDN-L21) Display Assembly with Frame Replacement

crwdns2931653:01crwdne2931653:0 Switch off the device




• Turn off the device
• Remove the sim tray
crwdns2913378:0crwdne2913378:0
crwdns2934285:0crwdne2934285:0
crwdns2934285:0crwdne2934285:0
crwdns2917038:0crwdne2917038:0
1024
crwdns2891542:0crwdne2891542:0 crwdns2934287:0crwdne2934287:0
crwdns2931653:02crwdne2931653:0 Back Cover




• Use Plastic tool to separate the back cover
• With a Phillips screwdriver remove two black screws and the battery flex connector shield
• Disconnect the battery and the finger print sensor flex cable
crwdns2913378:0crwdne2913378:0
crwdns2934285:0crwdne2934285:0
crwdns2934285:0crwdne2934285:0
crwdns2917038:0crwdne2917038:0
1024
crwdns2891542:0crwdne2891542:0 crwdns2934287:0crwdne2934287:0
crwdns2931653:03crwdne2931653:0 Logic Board Removal Part 1
• Remove all screws from the top of the logic board
• Remove the shield covering the camera connectors
• Remove the screws and the plastic cover at the bottom of the device
• Be careful! Different colored screws have different size
crwdns2913378:0crwdne2913378:0
crwdns2934285:0crwdne2934285:0
crwdns2934285:0crwdne2934285:0
crwdns2917038:0crwdne2917038:0
1024
crwdns2891542:0crwdne2891542:0 crwdns2934287:0crwdne2934287:0
crwdns2931653:04crwdne2931653:0 Logic Board Removal - Part 2
• Disconnect the Screen Flex cable
• Remove the logic board
• Note that at the bottom side of board is attached to the display with double-sided tape
crwdns2913378:0crwdne2913378:0
crwdns2934285:0crwdne2934285:0
crwdns2934285:0crwdne2934285:0
crwdns2917038:0crwdne2917038:0
1024
crwdns2891542:0crwdne2891542:0 crwdns2934287:0crwdne2934287:0
crwdns2931653:05crwdne2931653:0
• Now you have to transfer:
• Receiver
• Proximity sensor
• Volume buttons flex
• Vibration
• Battery
crwdns2913378:0crwdne2913378:0
crwdns2947430:01crwdne2947430:0
crwdns2934285:0crwdne2934285:0
crwdns2917038:0crwdne2917038:0
1024
crwdns2891542:0crwdne2891542:0 crwdns2934287:0crwdne2934287:0

crwdns2862417:0crwdne2862417:0

crwdns2935291:0crwdnd2935291:01crwdnd2935291:0crwdne2935291:0

ZFix

crwdns2935283:012/09/13crwdne2935283:0

194,421 crwdns2915208:0crwdne2915208:0

crwdns2935297:0330crwdne2935297:0

crwdns2918514:0crwdne2918514:0: 35

• 
• 
• 

crwdns2935301:032crwdne2935301:0

crwdns2915084:0crwdne2915084:0

Master Techs crwdns2935289:0Master Techscrwdne2935289:0

Community

crwdns2931471:0326crwdne2931471:0

crwdns2935297:01,688crwdne2935297:0

crwdns2942557:0crwdne2942557:0

crwdns2942955:0crwdne2942955:0

crwdns2852917:0crwdne2852917:0