Benchmark the Industry Quality Control

Every product from REWA is 100% strictly tested.

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Total Quality Control Standard

4 Quality Classification

OEM NEW

Original and new from the original manufacturer

OEM USED

Refurbished from originally used parts through replacing, cleaning, oxidizing, and polishing

S+ Grade

Made from original materials and assembled by a third party factory

A+ Grade

Materials compatible with the original and assembled by a third party factory

4 Quality Control Levels

4S
It is the highest on the market, such as operator and refurbishing facilities
3S
Quality oriented above average, such as chain store/insurance company
2S
Average and good enough to use, such as repair shop/distributor
1S
Price oriented below average, such as most needs from developing countries

Total Quality Control Process

We ensure that every product meets the high standards you expect. Our quality control process involves comprehensive inspections and assessments, so you can feel confident in every purchase.

Step 1: Factory Delivered

Step 2: REWA LAB 1st Test

Step 3: 1st Cosmetic and Function Inspection

Step 4: Warehouse Stock

Step 5: 2nd Cosmetic and Function Inspection

Step 6: Components Assembly

Step 7: 2nd Function Inspection

Step 8: Stamp & Packing

Step 9: Shipping

Aging Test

  • Verify display
  • Verify function
  • Verify backlight bonding
  • (Test conditions: -20℃/2Hrs, +55℃55%RH/2Hrs,+55℃/4Hrs)
testing process screen aging

Appearance Test

  • Examine for dust, scratches, bubbles
  • Check if the front bezel is deboned or damaged
  • Check if the screw holes are blocked
  • Test hydrophobic effect with water, alcohol, N-hexane
testing process screen appearance

Display Test

  • Measure the brightness (nits)
  • Measure color temperature and color gamut
  • Measure the resolution
  • Test the backlight evenness
testing process screen display

Function Test

  • Test polarization
  • Measure light transmittance rate
  • Test the True Tone function
  • Test 3D touch and responsiveness
testing process screen function

Fitment Test

  • Measure thickness, width, and length
  • Measure screen borders and notch
  • Install the screen and check the fit
testing process screen fitment

Aging Test

  • Test batteries are to be stored for 4 hours at 70℃
testing process battery aging

Appearance Test

  • Check battery cell surface
  • Check silk screen/label printing
  • Measure the length, width, thickness and weight
testing process battery appearance

Function Test

  • Over-charging/over-discharging protection test
  • Over flowing/short-circuit protection test
testing process battery function scaled

Quality Test

  • Capacity/internal resistance measurement
  • Discharge mid-voltage test
  • BMS board performance test
testing process battery quality scaled

Appearance Test

  • Check for signs of use
  • Alignment of solder pins
  • Check for watermarks
appearance test for camera

Basic Functions Test

  • Photo clarity
  • Light sensitivity
  • Focus test
  • Zoom test
basic function test of a camera

Portrait Mode Function Test

  • Testing for the presence of a portrait mode
  • Testing the ability to focus in portrait mode
  • Testing the adjustability of portrait mode parameters
camera portrait test

Certified Globally

certificate

IEC62133 | CE | FCC | RoHS | MSDS | UN38.3 | SDS

Quality Above All

As one of the most professional electronics aftermarket solution providers in wireless repair industry, REWA has been dedicating itself to benchmarking the industry quality control. Every screen from REWA is 100% strictly tested by our specialized QC team. This is our promise for customers and we are confident with our products, because we take “Quality Above All” as our producing and testing principle all the time.