Nokia G42 5G Back Cover Replacement

Written By: Manuel Haeussermann

Comments: 1

Difficulty

Easy

Steps

Time Required

20 - 30 minutes

Introduction

Use this guide to replace the back cover of your Nokia G42 5G.

Tools

Parts

Nokia G42 5G (TA-1581 Dual SIM) Rear Cover

Step 1

Power down your phone and unplug any cables.
Insert a SIM eject tool, bit, or a straightened paper clip into the small hole on the SIM card tray on the upper left edge of the phone.
Press firmly to eject the tray.

Step 2

Remove the SIM card tray.
When installing either a SIM card or a microSD card, make sure they're in the correct orientation and sitting completely flush with the edges of the tray before reinserting the tray into the phone.

Step 3

The back cover is held in place by plastic clips.
Insert an opening pick under the small notch in the SIM card tray slot.

Step 4

Position the opening pick at a steep downward angle between the back cover and the screen assembly.
Slide the opening pick down the left edge of the phone to release the plastic clips.

Step 5

Turn the opening pick around the corner and continue to slide it along the bottom edge to release the plastic clips.

Step 6

Slide the opening pick up the right edge to continue releasing the plastic clips.

Step 7

Slide the opening pick along the top edge to release the remaining plastic clips.
Don't try to fully remove the back cover just yet, as it's still connected with a cable.

Step 8

With the phone laying screen-side down, carefully lift the right edge of the back cover, opening it like a book.
Take care not to strain or tear the attached fingerprint reader cable during this procedure.
Lay the back cover next to the phone.

Step 9

Use a Phillips screwdriver to remove the 3.8 mm‑long screw securing the fingerprint reader bracket.

Step 10

Use a pair of tweezers or your fingers to remove the fingerprint reader bracket.
Take care not to puncture the battery with sharp tools—a punctured or creased battery may leak dangerous chemicals or cause a fire.
During reassembly, make sure to slide the bracket's edge back into its slot under the motherboard cover.

Step 11

Use the pointed end of a spudger to disconnect the fingerprint reader by prying the connector straight up from its socket.
To re-attach press connectors like this one, carefully align and press down on one side until it clicks into place, then repeat on the other side. Don't press down on the middle. If the connector is misaligned, the pins can bend and cause permanent damage.
Remove the back cover.

Step 12

Using a pair of tweezers, grip the top of the fingerprint reader and lift it out and around the top plastic tab, separating it from the back cover.

Step 13

Use a pair of tweezers to lift the fingerprint reader out of its bottom plastic tab.
Remove the fingerprint reader.
During reassembly, you'll need to transfer the fingerprint reader to the new back cover.

Step 14

Only the back cover remains.

Conclusion

To reassemble your device, follow these instructions in reverse order.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.

One comment

Very simple and to the point! Worked like a charm. The only qualm I have is that the replacement did not have camera lens covers. They had little blue plastic circles over them but once you bring those up, there’s nothing underneath.

I ordered this to replace the back on my G310 5G and it does fit!

Jacqueline Taylor -