Installing (inserting) cards > [HTML Version](dtp-nexgo-pro-vlozeni-sim.html) | | | |------|------| | [![Warning](./images/upozorneni.svg)] | - Always switch off the device before inserting the cards\! Inserting a card into a switched on device permanently blocks the device, which is not covered by the warranty\!
- We also recommend disconnecting the battery and reconnecting it after inserting the SIM card to be on the safe side.
- When inserting or ejecting the cards, do not use any metal (conductible) or sharp objects. If you accidentally short-circuit or damage the contacts in the slots, the terminal will be permanently damaged, which is not covered by the warranty\! | **Inserting a SIM / PSAM Card** - Before removing the battery cover, [switch off the device](dtp-nexgo-pro-uspani-vypnuti-a-restartovani.md#vypinani). The SIM card slot is located inside the device under the lower battery cover, as are the PSAM1 and PSAM2 slots. Each slot is labelled. - The appearance of the SAM and SIM slots is the same. There are two slots for SIM and SAM cards. - The terminal supports only one SIM card size: micro SIM, which exactly fits the size of the slot in the device. Do not insert SIM cards of other sizes into the terminal\! 1. **Switch off the device** and turn it with the back facing up. 2. Slide the battery cover downward to release it. (./images/clip1466.png) 3. Disconnect the battery connector and remove the battery from the device. (./images/clip1467.png) 4. Insert the micro SIM card into the slot labelled SIM1. When inserting the cards, make sure that you insert them into the slots in the [correct orientation](#sim) according to their beveled corner (contacts facing down). Insert only cards of the correct size that fit the slot exactly. Never leave a smaller card in the slot. It could get stuck and damage the device. [![Click for a larger image... | Click for a larger image...](./images/clip1469.png)] 5. Reconnect the battery connector and insert the battery into the device. 6. Replace the battery cover. top # Correct Insertion of the SIM Card [![Click for a larger image... | Click for a larger image...](./images/clip1470.png)] | | | |------|------| | [![Note](./images/poznamka.svg)] | If you are inserting only one PSAM card, we recommend inserting it into the **PSAM1** slot. Likewise, if you are inserting only one SIM card, always insert it into the **SIM1** slot. | top