Quality Control

HOW WE TEST

Visual Inspections

Qualified Standard:
1. No scratches or damages.
2. No missing parts, such as: screws, adhesives.

Functional Tests( Touch Screen Test )

Tools Needed:
1. LCD and Touch Screen Tester.
2. Build-in test application (for Android phones only). Qualified Standard:
1. Tester Test Standard: Diagonally draw straight lines on the screen, the lines appear without any malposition, breakage or bend.
2. Application Test Standard: The software indicate as passed.

Functional Tests( Small Parts’ Tests )

Tools Needed:
1. Relevant OEM Test Modules.
2. Other related devices. Such as: earpiece is required on audio flex test, data cable and charger are required on charging port test, multimeter is required on tests of loud speaker, ear speaker and vibrating motor and so on. Qualified Standard:
1. Module Test Standard : Function as normal.
2. Multimeter Test Standard: Loud speaker ohmic resistance reaches 6~10 ohmic; ear speaker ohmic resistance reaches 27~32 ohmic; vibrating motor vibrates or rotates after being supplied with 1.5~4.2V DC electricity.

Functional Tests( LCD Display Test )

Tools Needed:
1. LCD and Touch Screen Tester.
2. Build-in test application (for Android phones only). Qualified Standard:
1. Tester Test Standard: Less than or equal to 2 dead pixels (pixel diameter is less than 0.15mm).
2. Application Test Standard: The software indicate as passed.

Functional Tests( Battery Test )

Tools Needed:
1. Multimeter.
2. DC Power Supply.
3. Probe Leads. Qualified Standard:
1. Voltage Standard: 3.7V.
2. Normal Charging Standard: The multimeter will indicate the electricity value.
3. Normal Discharge: Power on normally after assembly.

Assembly Tests

Tools Needed:
1. Screwdriver.
2. Tweezers.
3. Other related devices, like: RF Test Equipment, NFC Test Device. Qualified Standard:
1. Work normally on OEM Test Modules.
2. No cosmetic or functional imcompatiability on OEM Test Modules.

Quality Guaranteed through Our Industry-leading QC Standard