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A190
1. Technical Specifications
Particular
Key Matrix For Flashing
Chipset
Android Version
Frequency
Network Mode
ROM
RAM
Internal SD Card memory
Expandable Memory
Factory mode code
Remarks
N/A
MT6591
KITKAT 4.4.2
Quad 1.5GHz
GSM850/900/1800/1900
WCDMA 900/2100
8GB
1GB
NO
32GB
*#510838#
Disassembly Procedure
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Table of Contents
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Summary of Contents for Micromax A190
- Page 1 A190 Disassembly Procedure 1. Technical Specifications Particular Remarks Key Matrix For Flashing Chipset MT6591 Android Version KITKAT 4.4.2 Frequency Quad 1.5GHz GSM850/900/1800/1900 Network Mode WCDMA 900/2100 Internal SD Card memory Expandable Memory 32GB Factory mode code *#510838#...
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Page 2: Battery Cover
A190 Disassembly Procedure 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. - Page 3 A190 Disassembly Procedure (2) Remove Screws After removing battery cover, remove the 11 screws circled in red by using screwdriveras shown: (3) Remove Front Cover/Rear Cover Remove rear cover by using disassembly piece along the side commissure of both covers as shown:...
- Page 4 A190 Disassembly Procedure (4) Remove Coaxial Cable Loosen the buckling positions circled in red of coaxial cables either end and take down coaxial cable. (5) Remove Mylar under Battery Slowly lift one angle of the mylar by using tweezers, then slowly tear down it by hand (don’t take too much force to protect keypad board’s arranging wires from being damaged).
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Page 5: Keypad Board
A190 Disassembly Procedure (6) Remove Keypad Board First tear down the yellow mylar on the arranging wires’ interface, then loosen ZIF arranging wires, motor; finally slowly remove small panel from front cover as shown: LOOSEN MOTOR KEYPAD BOARD LOOSEN ARRANGING WIRES... - Page 6 A190 Disassembly Procedure (7) Loosen Mainboard & Remove Camera Loosen power key, volume key and arranging wire interfaces of TP/LCD/front & rear camera, and remove front and rear cameras. REAR CAMERA ARRANGING WIRE INTERFACE LOOSEN TP ARRANGING WIRE INTERFACE FRONT CAMERA...
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Page 7: Power Key
A190 Disassembly Procedure (9) Weld and Take Down Power Key and Volume Key Weld down power key and volume key by using soldering iron and take them down. POWER KEY VOLUME KEY (10) Remove Speaker, Len and Antenna Take out speaker from rear cover by using tweezers; use hot air gun to heat the len and use a cotton bud to push it up. -
Page 8: Gps Antenna
A190 Disassembly Procedure LIFT GSM ANTENNA FROM HERE (11) Remove Receiver, Sense Rubber Sleeve, GPS Antenna and WIFI/BT Antenna Lift receiver from the removal position by using tweezers, remove sensor rubber sleeve, and slowly lift antennas by using tweezers. GPS ANTENNA... - Page 9 A190 Disassembly Procedure (12) Remove OGS Panel Use hot air gun to heat the gum periphery of OGS Panel, then use sucking disc to suck up OGS panel, and take it tout from front cover. Thanks For any Query or suggestion, Please write to tech.help@micromaxinfo.com...