Micromax Q427+ User manual

Q427+ Assembly guide

1：Technical Specifications

Particular

Remarks

Key Matrix For Flashing

NA

Chipset

MT6735P

Android Version

Android 6.0

Frequency

1.3GHz

Network Mode

2G: 850MHz/900MHz/1800MHz/1900MHz

3G: B1 B8

Data Segment

GPRS, EDGE, HSPA+ 21Mbps, FDD-LTE, TDD-LTE

Rom

16G

RAM

2G

Internal SD Card memory

12G

Expandable Memory

64G

Factory mode code

Press vol+/ Vol-/ power key at the same time

Good Earpiece volume

32Ω± 15%

Good Loudspeaker volume

8Ω± 5%

Good Mic volume

2.2kΩ± 5%

Good Vibrator volume

30Ω± 5%

Q427+ Assembly guide

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：Assembly procedure

1、Install the TP/LCD by tweezers..

2、Install the Fingerprint Reader silicone key assembly by tweezers

Q427+ Assembly guide

3、Install the fingerprint keying tray by tweezers

4、Install the PCBA by tweezers.

Q427+ Assembly guide

5、Install the fingerprint FPC by tweezers.

6、Install the vibrator by tweezers.

Q427+ Assembly guide

7、Install the FPC by tweezers.

8、Install the RF coaxial line by tweezers.

Q427+ Assembly guide

9、Install the silicone gel cover for proximity sensor by tweezers.

10、Install the receiver by hands.

Q427+ Assembly guide

11、Install the volume key FPC by hands..

12、Install the front camera by tweezers.

Q427+ Assembly guide

13、Install the camera by tweezers.

14、Install the PCBA by tweezers.

Q427+ Assembly guide

15、Fasten the screw by screw drive..

16、Install the FPC connector by tweezers.

Q427+ Assembly guide

17、Stick the battery tape by tweezers.

18、Install the battery by hand..

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