- Warranty & Returns
- Shipping & Delivery
- 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
- NG = BAD
- 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
- 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.