Volume Production

After pilot production of the product is completed, the phone will be on track for volume production. With 30-40 people in one production line, each line is capable of processing 1000 - 1500 units per day. The process of volume production includes these steps.

Incoming Quality Control

Make sure all the smartphone parts are in good quality.

Material Distribution

Deliver qualified parts to corresponding departments.

Software Upgrade

Normally manufacturers will upgrade motherboard before getting to next steps. However, in some cases when the software need to upgraded with battery, the software upgrade will be postponed until the final products are ready.

PCBA (Printed Circuit Board Assembly)

Parts including speakers, microphones, FPC, cameras, physical buttons, etc. will be welded and assembled.

Semi-finished Product Test

This step will test the welded and assembled PCB with power source or battery connected, in order to minimize the possiblity of re-opening the finished phone for PCB replacement.

Front & Back Cover Assembly

The semi-finished mobile phones will be added with front and back cover.

Inspection of Cell Phone Body

Check if there is any scratch, broken screen, color error, assembly error in semi-finished mobile phones.
Screwing: Screw on the covers.

MMI Test

In this step, the manufacturers will perform a thorough test on the overal performace of the mobile phones, including the performance of speakers, microphone, LCD, cameras, buttons, touch screen, etc.

Connection Test

This test will focus on the phone’s performance of signal receptions and transmission.

Labeling and IMEI Code Inserting

IMEI Code, the International Mobile Equipment Identity number, is a unique identification or serial number that all mobile phones and smartphones have.

Cleaning & Wrapping

Get final product cleaned and wrapped it with PE protective bag.

Quality Assurance (QA)

Check for any mistakes or defects in manufactured phones.

Package and Shipment

Industrial Chain >Baseband Chipset Supplier >IDH Company Index >

Mobile Phone Components >Motherboard >Screen >Camera >

Project Progress >Production Schedule Plan >< Volume Production Process

Inspection and certification >Insepction and Testing >Quality Certification >