Benchmark the Industry Quality Control
Every product from REWA is 100% strictly tested.
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.
01
Factory Delivered
02
REWA LAB 1st Test
03
1st Cosmetic and Function Inspection
04
Warehouse Stock
05
2nd Cosmetic and Function Inspection
06
Components Assembly
07
2nd Function Inspection
08
Stamp & Packing
09
Shipping
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step 1
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step 2
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step 3
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step 4
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step 5
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step 6
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step 7
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step 8
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step 9
Aging Test
- Verify display
- Verify function
- Verify backlight bonding
- (Test conditions: -20℃/2Hrs, +55℃55%RH/2Hrs,+55℃/4Hrs)
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
Display Test
- Measure the brightness (nits)
- Measure color temperature and color gamut
- Measure the resolution
- Test the backlight evenness
Function Test
- Test polarization
- Measure light transmittance rate
- Test the True Tone function
- Test 3D touch and responsiveness
Fitment Test
- Measure thickness, width, and length
- Measure screen borders and notch
- Install the assembly and check the fit
Aging Test
- Test batteries are to be stored for 4 hours at 70℃
Appearance Test
- Check battery cell surface
- Check silk screen/label printing
- Measure the length, width, thickness and weight
Function Test
- Over-charging/over-discharging protection test
- Over flowing/short-circuit protection test
Quality Test
- Capacity/internal resistance measurement
- Discharge mid-voltage test
- BMS board performance test
Appearance Test
- Check for signs of use
- Alignment of solder pins
- Check for watermarks
Basic Functions Test
- Photo clarity
- Light sensitivity
- Focus test
- Zoom test
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
Certified Globally
IEC62133 | CE | FCC | RoHS | MSDS | UN38.3 | SDS
