Micromax A109 Manual

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A109 Disassembly Procedure

1. Technical Specifications :

Particular

Remarks

Key Matrix For Flashing

NA

Chipset

MT6589

Android Version

Android 4.4

Frequency

GSM：900/1800/1900MHz UMTS：900/2100MHz

Network Mode

Dual SIM: WCDMA+GSM

ROM

4 GB

RAM

1 GB

Internal SD Card memory

1.4GB for end user

Expandable Memory

32GB

Factory mode code

*#9527*#

A109 Disassembly Procedure

2. CAUTIONS

I. Flashing & Servicing must be undertaken by qualified personnel only.

II. Ensure all work is carried out at an anti-static workstation and that an anti-static wrist strap is worn.

III. Use only approved Tools & components as specified in the parts list.

IV. Ensure all components, modules, screws, and insulators are correctly re-fitted after servicing and

alignment

V. Ensure all cables and wires are repositioned correctly if Handset disassembled

VI. Electrostatic discharge can easily damage the sensitive components of electronic products.

Therefore, Service Centre must adhere the precautions which mentioned above.

3. Disassembly Procedure

Device, Instrument, Fixture, Tool

NO

Name

Specification

Quantity

1

Tweezers

1

2

Screwdriver

Cross-head

1

3

Anti-static wrist strap/ anti-static

gloves

1

4

Disassembling piece

1

5

Knife

1

A109 Disassembly Procedure

1. Mobile phone off, remove the battery cover.

2．Remove the battery, use a screwdriver to

remove the back shell 11 screws.

3. Use the disassembling piece to separate the

shells along the gap of the front shell screen of

the mobile phone, as shown in the following

picture:

4．Remove the loudspeaker.

5. Open the connectors for TW and LCD, and

use the tweezer to pick out the flat cables;

6. 3.Remove the two cross-head screws in the

mainboard.

A109 Disassembly Procedure

7．take out the mainboard along the arrow..

8．Remove the camera and light sensor.

9. Open the rear-facing camera connector, and

remove the camera.

10. Remove the receiver and the RF line.

11. Use the heat gun to evenly heat the back

label at 150°C for about 20s to tear off the

bottom shell label.

12. Remove the main FPC.

A109 Disassembly Procedure

13. The subboard and the front shell assembly

adopt double-sided sticking with conductive

cloth; it is suggested that the conductive cloth

should be heated evenly with the heat gun

before it is torn off.

14. A109 before the shell module.

Thanks

For any Query or suggestion, Please write to tech.help@micromaxinfo.com