Phone · OnePlus · Nord N300 5G
OnePlus Nord N300 5G Screen Replacement
Screen Replacement guide for the OnePlus Nord N300 5G
Before you begin
Tools
- Heat gun or hair dryer
- Plastic prying tools
- Suction cup tool
- Spudger tool
- Precision screwdriver set (Phillips #000)
- Tweezers
- SIM eject tool
Parts / materials
- Replacement screen assembly
- Double-sided adhesive strips
- Rear panel adhesive
- Isopropyl alcohol (91%+)
Safety
- Wear safety glasses to protect your eyes from cracked glass fragments.
- Disconnect the battery before handling internal components to avoid electrical shorts.
- Do not overheat the phone to prevent damaging the battery.
Overview
Step-by-step
- 1
Turn off the phone
1 minPress and hold the Power and Volume Up buttons simultaneously, then select Power Off on the screen.
- 2
Eject the SIM tray
1 minInsert a SIM eject tool into the hole next to the SIM tray on the left edge of the phone to pop it out.
- 3
Heat the rear panel
2 minUse a heat gun or hair dryer to apply warm air around all edges of the rear cover for 2 minutes to soften the adhesive.
- 4
Slice rear panel adhesive
3 minAttach a suction cup near the bottom edge of the back panel, pull up gently, and insert a plastic pick to cut through the adhesive along the edges.
- 5
Lift off rear cover
2 minSlowly pivot the rear panel open and lift it completely off the frame once all adhesive is severed.
- 6
Remove upper bracket screws
2 minUse a Phillips #000 screwdriver to remove the screws securing the plastic motherboard shield.
- 7
Detach upper bracket
2 minInsert a spudger under the motherboard shield and gently unclip it from the chassis.
- 8
Disconnect battery cable
1 minUse the flat end of a plastic spudger to pop the battery connector straight up from its socket on the motherboard.
- 9
Remove speaker assembly screws
2 minUnscrew the Phillips screws securing the bottom speaker enclosure to the frame.
- 10
Detach speaker module
2 minPry up the lower speaker module with a spudger and remove it from the phone.
- 11
Disconnect display flex cable
1 minUse a plastic spudger to disconnect the main screen flex cable from the circuit board.
- 12
Heat display assembly
3 minApply heat evenly across the front glass perimeter for 2-3 minutes to soften the display adhesive.
- 13
Slice display glass adhesive
4 minApply a suction cup to the lower display edge, raise a small gap, and slice around the frame with an opening pick.
- 14
Remove display assembly
2 minFeed the display flex cable through the slot in the frame and lift the screen away from the device body.
- 15
Clean frame adhesive
4 minScrape away old tape fragments from the metal frame using a spudger and wipe the perimeter clean with isopropyl alcohol.
- 16
Apply new display adhesive
3 minLay fresh custom-cut adhesive strips along the thin outer ledges of the front frame.
- 17
Install replacement screen
3 minGuide the flex cable of the new screen through the frame slot and seat the screen into the frame.
- 18
Reconnect display cable
1 minPress the screen flex cable connector gently onto the motherboard until it clicks into place.
- 19
Reconnect battery cable
1 minPress the battery flex cable connector firmly back into its socket.
- 20
Reinstall plastic housing brackets
3 minPosition the speaker module and upper motherboard shield back into place and tighten all Phillips screws.
- 21
Seal rear cover
3 minApply fresh rear cover adhesive, align the back panel over the body, and press firmly around all edges.
- 22
Reinsert SIM tray
1 minPush the SIM card tray fully back into its slot on the side of the phone.
After your OnePlus Nord N300 5G screen replacement
Power the Nord N300 5G back on and test the screen replacement function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this OnePlus Nord N300 5G job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more OnePlus Nord N300 5G repair context in the encyclopedia, or open related DIY guides.
