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Micromax Q427+ Disassembly Manual
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Micromax Q427+ Disassembly Manual

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Q427+
1：Technical Specifications
Particular
Key Matrix For Flashing
Chipset
Android Version
Frequency
Network Mode
Data Segment
Rom
RAM
Internal SD Card memory
Expandable Memory
Factory mode code
Good Earpiece volume
Good Loudspeaker volume
Good Mic volume
Good Vibrator volume
Disassembly guide
Remarks
NA
MT6735P
Android 6.0
1.3GHz
2G: 8
0MHz/900MHz/1800MHz/1900MHz
5
3G: B1 B8
GPRS, EDGE, HSPA+ 21Mbps, FDD-LTE, TDD-LTE
16G
2G
12G
64G
Press vol+/ Vol-/ power key at the same time
32Ω± 15%
8Ω± 5%
2.2kΩ± 5%
30Ω± 5%

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Summary of Contents for Micromax Q427+

  • Page 1 Q427+ Disassembly guide 1：Technical Specifications Particular Remarks Key Matrix For Flashing Chipset MT6735P Android Version Android 6.0 Frequency 1.3GHz 2G: 8 0MHz/900MHz/1800MHz/1900MHz Network Mode 3G: B1 B8 Data Segment GPRS, EDGE, HSPA+ 21Mbps, FDD-LTE, TDD-LTE Internal SD Card memory Expandable Memory Press vol+/ Vol-/ power key at the same time Factory mode code Good Earpiece volume...

  • Page 2: Assembly Procedure

    Q427+ Disassembly guide 2： CAUTIONS Flashing & Servicing must be undertaken by qualified personnel only. 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.
  • Page 3 Q427+ Disassembly guide 2、 by hand. Tear off the IMEI label 3、 Unscrew the screws by screw driver.
  • Page 4 Q427+ Disassembly guide 4、 Unmount the back cover by pick. 5、 Take out the LCD/TP/Main/volume key FPC connector by tweezers.
  • Page 5 Q427+ Disassembly guide 6、 Unscrew the screw by screw drive. 7、 Unmount Main PCBA by hands.
  • Page 6 Q427+ Disassembly guide 8、 Unmount the RF coaxial line by tweezers. 、 Remove the main camera by tweezers.
  • Page 7 Q427+ Disassembly guide 10、 Remove the receiver by tweezers. 11、 Remove silicone gel cover for proximity sensor by tweezers.
  • Page 8 Q427+ Disassembly guide 12、 Remove the battery tape by tweezers. 13、Remove the battery by hands.
  • Page 9 Q427+ Disassembly guide 14、 Remove the volume key FPC by tweezers. 15、Remove the RF coaxial line by tweezers.
  • Page 10 Q427+ Disassembly guide 16、 Remove the main FPC by tweezers. 17、 Remove the fingerprint FPC by tweezers.
  • Page 11 Q427+ Disassembly guide 18、 Remove the vibrator by tweezers. 19、 Remove the small PCBA by tweezers.
  • Page 12 Q427+ Disassembly guide 20、 Remove the fingerprint keying tray by tweezers. 21、 Remove the Fingerprint Reader silicone key assembly by tweezers.
  • Page 13 Q427+ Disassembly guide 22、 Join clean up solvent 23、 Use heat gun to heat the TP 200°C.
  • Page 14 Q427+ Disassembly guide 24、 Remove the TP/LCD by tweezers. Finished. Thanks For any Query or suggestion, Please write to tech.help@micromaxinfo.com...