1. TC73/TC78 Product Reference Guide
  2. Getting Started
  3. Replacing the SIM Card
  • TC73/TC78 Product Reference Guide
Replacing the SIM Card
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Replacing the SIM Card

Applies to TC78 only.
Follow proper electrostatic discharge (ESD) precautions to avoid damaging the SIM card. Proper ESD precautions include, but are not limited to, working on an ESD mat and ensuring the operator is properly grounded.
Do not put any labels, asset tags, engravings, stickers, or other objects in the battery well. Doing so may compromise the intended performance of the device or accessories. Performance levels such as sealing (Ingress Protection (IP)), impact performance (drop and tumble), functionality, or temperature resistance could be affected.
  1. Press the Power button until the menu appears.
  2. Touch
    Power off
    .
  3. Touch
    OK
    .
  4. If a hand strap is attached, remove it.
  5. Press the two battery latches down.
    Do not attempt to insert fingers under the latches when pulling on the battery. Damage to the latches may occur.
  6. While pressing the latches down, press the two latches in toward the center of the device. The latches must be pressed in completely to release the battery.
  7. Lift the battery from the device.
  8. Remove the access cover.
    Image of removing the access cover.
  9. Slide the SIM card holder to the unlock position.
  10. Lift the SIM card holder door.
    Image of lifting SIM card door.
  11. Remove the old SIM card.
  12. Place the new SIM card into the card holder with contacts facing down.
    Image of placing the SIM card in the card holder.
  13. Close the SIM card holder door.
    Image of closing SIM card door.
  14. Slide the SIM card holder door to the lock position.
    Sliding SIM card holder door in the lock position.
  15. The access cover must be replaced and securely seated to ensure proper device sealing.
  16. Reinstall the access cover.
    Image of replacing access cover.
  17. Insert the battery, bottom first, into the battery compartment in the back of the device.
  18. Press the battery down until it snaps into place.
  19. Replace the hand strap, if required.
  20. Press and hold the Power button to turn on the device.