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  1. Step 1 Battery. Turn the device upside down. Using your finger, slide the silver cover release button towards the top of the device. Lift and remove the back cover. Add a comment.

  2. Here are some things to try: Restart your phone: This is often the simplest and quickest solution for a black screen issue. Press and hold the power button until the device turns off, then turn it back on again. Charge your phone: If the battery is completely drained, the screen may appear black even when the phone is turned on.

  3. Step 4. Remove the screws. You will need to remove the ten small screws that hold the back of the phone together. Start by using a T5 phillips screw driver to remove the four 4.5 mm screws on the outside corners of the phone. Next, use a T4 phillips screw driver to remove the four 4mm screws on the sides of the device.

  4. BLACKBERRY DTEK50 Insert SIM Card. First of all, power off BLACKBERRY DTEK50. Then locate the SIM card tray on your BLACKBERRY DTEK50. You should recognize it by a small hole for the eject tool. Insert a SIM removal tool into the hole of the SIM card tray to release the tray. A paperclip or a pushpin can be used instead of a SIM removal tool if ...

  5. Then locate the SIM card tray on your BLACKBERRY Z30. You should recognize it by a small hole for the eject tool. Insert a SIM removal tool into the hole of the SIM card tray to release the tray. A paperclip or a pushpin can be used instead of a SIM removal tool if you don't have one. Afterwards, pull the SIM card tray out of the BLACKBERRY Z30 ...

  6. Apr 18, 2016 · Install and remove the SIM and memory card (MicroSD). Learn more at: http://soc.att.com/1T1l5TGAbout AT&T Support:Find support videos for all the latest and ...

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  7. First of all, power off BLACKBERRY 9900 Bold Touch. Then locate the SIM card tray on your BLACKBERRY 9900 Bold Touch. You should recognize it by a small hole for the eject tool. Insert a SIM removal tool into the hole of the SIM card tray to release the tray. A paperclip or a pushpin can be used instead of a SIM removal tool if you don't have one.

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