Microsoft Lumia 640

Microsoft Lumia 640

You can't turn on your phone - Microsoft Lumia 640

Cause 2 of 3: Your phone isn't assembled correctly

If your SIM or battery isn't inserted correctly, you can't turn on your phone.

Solution: Make sure that both SIM and battery are inserted correctly.

Step 1 of 5

Remove the back cover

Turn the back of your phone towards you.
Take hold of the top of the back cover and remove it.

Step 2 of 5

Insert your SIM

Place your SIM as illustrated next to the SIM holder.

Step 3 of 5

Insert your SIM

Slide your SIM into the holder.

Step 4 of 5

Insert the battery

Place the battery in your phone, bottom first, matching the battery contacts with the phone contacts and press the battery into place.

Step 5 of 5

Replace the back cover

Place the back cover on your phone and press it into place.

1 Remove the back cover

Turn the back of your phone towards you.
Take hold of the top of the back cover and remove it.

2 Insert your SIM

Place your SIM as illustrated next to the SIM holder.
Slide your SIM into the holder.

3 Insert the battery

Place the battery in your phone, bottom first, matching the battery contacts with the phone contacts and press the battery into place.

4 Replace the back cover

Place the back cover on your phone and press it into place.

Did this solve the problem?

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