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E460
1: Technical Specifications
Particular
Key Matrix For Flashing
Chipset
Android Version
Frequency
Network Mode
WCDMA Band
4G Band
Rom
RAM
Internal SD Card memory
Expandable Memory
Factory mode code
Good Earpiece volume
Good Loudspeaker volume
Good MIC volume
Good Vibrator volume
L2 Service Manual
Remarks
NA
Qualcomm 8940
Android M
1.4G OCTA
850MHz/900MHz/1800MHz/1900MHz
B1/B2/B5/B8
B1/B3/B7/B8/B20/B40/B38/41/B28A/B5
16G
3G
8.79G
128G
Press Volume- & power key at the same time
32Ω± 15%
8Ω± 5%
2.2kΩ± 5%
30Ω± 5%
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Summary of Contents for Micromax Selfie 3 E460
- Page 1 E460 L2 Service Manual 1: Technical Specifications Particular Remarks Key Matrix For Flashing Chipset Qualcomm 8940 Android Version Android M Frequency 1.4G OCTA 850MHz/900MHz/1800MHz/1900MHz Network Mode WCDMA Band B1/B2/B5/B8 4G Band B1/B3/B7/B8/B20/B40/B38/41/B28A/B5 Internal SD Card memory 8.79G Expandable Memory 128G Factory mode code Press Volume- &...
- Page 2 2: CAUTIONS I. Upgrading & 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.
- Page 3 1. Does not power on SN. Possible Cause Validation steps Action a) Check battery PIN if it is damage or a) Clean battery PIN oxidation b) Charge the battery or Battery b) Check voltage with Multi meter Value replace for a new must be 3.7V DC or above battery a) Clean power key FPC...
- Page 4 2. Display issue/No display SN. Possible Cause Validation steps Action SW issue Flash the handset with latest SW Clean LCD connector/Re-assemble LCD issue LCD/Replace it No display Re solder LCD connector/ change a new LCD issue LCD （NA） Clean LCD connector）/Re-assemble to PCBA issue PCBA Colored screen...
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Page 5: Touch Panel
3. Touch panel SN. Possible Cause Validation steps Action SW Issue Flash the handset with latest SW TP issue Clean TP connector/Re-assemble TP TP issue Re-solder TP FPC/ change TP（NA） TP not working a) Clean TP connector/ Re-assemble PCBA issue b) Change PCBA TP/LCD connector... -
Page 6: Proximity Sensor
Fingerprint module Fingerprint module PCBA Fingerprint module connector 5. Proximity Sensor SN. Possible Cause Validation steps Action SW Issue Flash the handset with latest SW Sensor holder is not Clean it and Re-assemble the sensor Proximity sensor fail assembled well holder PCBA issue Change PCBA... - Page 7 6. Gyroscope sensor SN. Possible Cause Validation steps Action SW Issue Flash the handset with latest SW Gyroscope fail PCBA issue Change PCBA Gyroscope sensor 7. Hall SN. Possible Cause Validation steps Action SW Issue Flash the handset with latest SW Hall fail PCBA issue Change PCBA...
- Page 8 8. Keys SN. Possible Cause Validation steps Action Change Key Key is not response Key is fail Re-solder Key FPC（NA） Key is fail Change Key The feeling of pressing Some dust with dome Clean it key is bad Key is not assembled well Re-assemble it Power -Key Power- Key...
- Page 9 9. Charging SN. Possible Cause Validation steps Action Adapter is fail Change adapter Cable is fail Change Cable Battery is issue Charging / Change it Cannot charge Main FPC issue Re-assembly or Change it SUB PCBA issue Change SUB PCBA USB socket Clean the socket SW Issue...
- Page 10 10. Cannot connect to PC SN. Possible Cause Validation steps Action USB cable is fail Change USB cable SUB PCBA fail Change SUB PCBA Cannot connect to PC Main FPC issue Re-assembly or Change it Systems driver issue Update systems driver. PCBA fail Change PCBA Cable...
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Page 11: Front Camera
11. Front Camera SN. Possible Cause Validation steps Action Camera is issue Re-assembly camera or Change it PCBA fail Clean camera connector Colored screen when open front camera PCBA fail Re-solder camera（NA） PCBA fail Change PCBA SW issue Flash the handset with latest SW Camera issue Clean camera connector/Re-assembly Cannot turn on front... -
Page 12: Rear Camera
12. Rear Camera SN. Possible Cause Validation steps Action Camera is issue Re-assembly camera or Change it PCBA fail Clean camera connector Colored screen when open Rear camera PCBA fail Re-solder camera（NA） PCBA fail Change PCBA SW issue Flash the handset with latest SW Camera issue Clean camera connector/Re-assembly Cannot turn on Rear... - Page 13 Wi-Fi/BT Antenna antenna Slot 14. GPS SN. Possible Cause Validation steps Action Set turn off as default Reset to turn on wifi SW issue Flash the handset with latest SW Re-assemble rear housing or change GPS not working GPS antenna rear housing PCBA issue Clean PCBA Antenna Slot...
- Page 14 15. SIM SN. Possible Cause Validation steps Action Set turn off as default Reset to turn on SIM SW issue Flash the handset with latest SW SIM not working SIM slot issue Clean sim slot or adjust the pin SIM card issue Change sim card PCBA issue Change PCBA...
- Page 15 16. RF Network SN. Possible Cause Validation steps Action SW issue Flash the handset with latest SW RF parameter issue Back up and copy RF parameter RF antenna issue（rear Re-assemble or Change rear housing housing） RF Network cannot RF antenna issue（SUB change SUB PCBA PCBA）...
- Page 16 17. Receiver SN. Possible Cause Validation steps Action Dust with receiver Change receiver Noise/crack a) Re-assemble or Change it Receiver issue b) Change receiver dust proof net Receiver is set too low by Reset the value of volume person No sound/volume low PCBA issue Clean PCBA solder pad/ change receiver PCBA issue...
- Page 17 Vibrator Connector Main FPC PCBA Main FPC Vibrator connector 19. Earphone SN. Possible Cause Validation steps Action SW issue Flash the handset with latest SW Earphone is fail Change Earphone Not working / from earphone connector earphone Clean earphone connector/ re-connect issue PCBA fail Change PCBA...
- Page 18 20. MIC SN. Possible Cause Validation steps Action Remove the dust/ Re-assemble MIC Some dust with MIC holder Change SUB PCBA Noise with uplink side Re-assemble or Change Main FPC MIC issue Clean Main FPC connector/ reassemble PCBA issue Change PCBA MIC dust-proof net issue Clean dust-proof net/ Change it Volume is set too low by person...
- Page 19 21. Speaker SN. Possible Cause Validation steps Action Speaker with dust Clean speaker Noise/crack Speaker foam issue Change Speaker foam Speaker issue Re-assemble/ Change speaker Assemble issue Assemble again SW issue Flash the handset with latest SW SUB PCBA issue Re-assemble or change SUB PCBA No volume Main FPC issue...
- Page 20 Battery issue Charge/ change it Clean battery connector/ Low Battery PCBA issue re-assemble it PCBA issue Change PCBA Battery Battery connector Thanks...