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JC Tristar Tester

Quantity must be 1 or more
in stock: 1 Available
inc vat
In the trade? Our trade account customers get this part from
  • Description
  • Warranty & Returns
  • Shipping & Delivery
  • Reviews


  • Test your Tristar/Hydra Chip or battery
  • Diagnose your iDevice's charging issue
  • Small & lightweight and easily portable
  • Helps to test hardware errors
  • Great for smartphone repair professionals and sellers
  • Extremely convenient to use
  • Able to test the phone Tristar without the need to open up the device all over again


  • Step 1: Connect your JC U2 via lighting USB cable to power on (use an apple power plug not pc usb port)

  • Step 2: Click the right function button to select language (language option available only on when you power on JC U2)

  • Step 3: Connect your iPhone/iPad with JC U2 via data connecting cable

  • Step 4:  Optional for you to click the left  function button to switch vertical or horizontal display

  • Step 5: Check the available data of U2 (Tristar) chip and SN,  status  showing as NG or OK for each testing results.


    • NG = BAD

    • OK = Good



  • All iOS Devices with a Lightning Port


    We offer the following

    comprehensive warranty on parts at Screenshelf.ie

    • iPhone Screens - 12 Months
    • Huawei Service Pack - 30 Days
    • Samsung Service Pack - 30 Days
    • Batteries - 12 Months
    • Xiaomi Service Pack - 30 Days
    • Consumables - 30 Days
    What's covered by our warranty?
    What's not covered by our warranty?
    • Any manufacturing fault.
    • Any part damaged from intentional damage or improper use.
    • Any part damaged by water damaged.
    • Normal battery life depreciation.

    NB - All our screens are inspected before shipment. No screen will be shipped with torn cables or cracked glass.


    If in the unlikely event you receive a faulty item please complete the following steps.

    • Contact us by email or
      WhatsApp to request an RMA number.

    • We will assess your RMA and
      reply to you within 48 hours.

    • All faulty items will be shipped back
      at the customers expense.

    • On receipt of your item
      it will be examined by one of our technicians
      to determine the fault.

    • A replacement part will be shipped
      if the item is deemed
      to be a manufacturing fault.

    • If the part is faulty
      for any other reason no refund or
      replacement will be issued.