rajkot android: May 2013

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Hai friends, here is a wide collection of secret codes for your mobile with Android OS. These codes enables you to access the hidden options which are not shown by default on your device, and can be used for testing the functions of various utilities used by your mobile.

Note: We Cannot guaranty that these codes will work on all Android mobiles!

Previous Articles:

These codes are used only by technicians, So be careful with them and use it at your own risk. Press "Ctrl+D" for Future Use! :)

General Codes:

*#06# – Display's IMEI number.

*2767*3855# – This code will Format your device to factory state (will delete everything on phone).

*#*#4636#*#* – Display's Phone information, usage statistics and battery.

*#*#273282*255*663282*#*#* – This code will Immediately backup of all media files.

*#*#197328640#*#* – This code will Enable test mode for service.

*#*#1111#*#* – Will display FTA software version.

*#*#1234#*#* – Will show PDA and firmware version.

*#*#232339#*#* – Wireless LAN tests.

*#*#0842#*#* – This code is used for Backlight/vibration test.

*#12580*369# – Display's Software and hardware info.

*#*#2664#*#* – This code is used for Testing the touchscreen.

*#9900# – System dump mode.

*#9090# – Diagnostic configuration.

*#*#34971539#*#* – Will display Detailed camera information.

*#872564# – USB logging control.

*#301279# – HSDPA/HSUPA Control Menu.

*#7465625# – This code will display phone's lock status.

*#0*# – Enter the service menu on newer phones like Galaxy S III.

*#*#7780#*#* – Reset the /data partition to factory state.

Basic Codes:

*#*#7780#*#* - This code is used for factory restore setting.This will remove Google account setting and System and application data and settings.

*2767*3855# - This code is used for factory format, and will remove all files and settings including the internal memory storage. It will also re install the firmware.

*#*#4636#*#* - This code show information about your phone and battery.

*#*#273283*255*663282*#*#* - This code opens a File copy screen where you can backup your media files e.g. Images, Sound, Video and Voice memo.

*#*#197328640#*#* - This code can be used to enter into Service mode. You can run various tests and change settings in the service mode.

*#*#7594#*#* - This code enable your "End call / Power" button into direct power off button without asking for selecting any option(silent mode, aero plane and power-off).

*#*#8255#*#* - This code can be used to launch G Talk Service Monitor.

*#*#34971539#*#* - This code is used to get camera information. Please avoid update camera firmware option.

W-LAN, GPS and Bluetooth Test Codes:

*#*#232339#*#* OR *#*#526#*#* OR *#*#528#*#* - W-LAN test (Use “Menu” button to start various tests).

*#*#232338#*#* - Shows WiFi MAC address.

*#*#1472365#*#* - GPS test.

*#*#1575#*#* - Another GPS test.

*#*#232331#*#* - Bluetooth test.

*#*#232337#*# - Shows Bluetooth device address.

Codes to launch various Factory Tests:

*#*#0842#*#* - Device test (Vibration test and BackLight test).

*#*#0588#*#* - Proximity sensor test.

*#*#0*#*#* - LCD test.

*#*#2664#*#* - Touch screen test.

*#*#2663#*#* - Touch screen version.

*#*#0283#*#* - Packet Loopback.

*#*#0673#*#* OR *#*#0289#*#* - Melody test.

*#*#3264#*#* - RAM version.

Code for firmware version information:

*#*#1111#*#* - FTA SW Version.

*#*#2222#*#* - FTA HW Version.

*#*#44336#*#* - PDA, Phone, CSC, Build Time, Changelist number.

*#*#4986*2650468#*#* - PDA, Phone, H/W, RFCallDate.

*#*#1234#*#* - PDA and Phone.

Steps

1
Tap the Settings app on your device’s home screen. The Settings app can have varying icons depending upon on your specific device, and may be also be found within the App Tray or by pushing the phones dedicated menu button.

Depending on your device, the “Factory data reset” feature may be located in one of two sections within the settings app.Select the “Privacy” settings tabSelect the “SD & phone storage” settings tab if "Factory data reset" isn't located in "Privacy".Select “Factory data reset”.Tap “Reset Phone” to delete all data and restore back to your device’s factory settings.Confirm the process by selecting “Erase everything". This will delete all data and restore back to your device’s factory settings.What is recovery? In Android, recovery refers to the dedicated, bootable partition that has the recovery console installed. A combination of key presses (or instructions from a command line) will boot your phone to recovery, where you can find tools to help repair (recover) your installation as well as install official OS updates. Because Android is open and has the recovery source code available, building a customized version with more and different options is relatively easy as well. Let's look at both options.The stock recovery is pretty limited, but that's by design. Its main purpose is to delete all user data and files, or to perform system updates. Normally, both these operations are started from the running Android system, or you can do things manually and boot right into recovery yourself. When you tell your phone to do a factory reset, recovery is what boots up and erases the files and data. Likewise with updates -- when we restart to install an official OS update, it's done in recovery. Recovery is also where we go to manually install official OS updates we've downloaded from the Internet. It's very useful, but limited.

Custom Android recoveries offer much more. They have been coded to allow for backup and restore functions, selective deletion of data so you don't have to wipe everything, and modified to allow update packages that have not been digitally signed by official sources. You also can mount various partitions so that you can copy files to the SD card without having to remove it or reboot into Android. Anytime you see someone mentioning Clockwork or Amon Ra, they're talking about custom recoveries. Because of the extra functionality built in, they are a pretty important tool for folks who want to hack their Android phone or tablet. Recoveries aren't as pretty as a custom ROM and don't get the same love from users and bloggers that custom builds of Android do, but in the end they're even more important. Without them none of this custom ROM stuff would be possible.

Master Reset:
1. Tap Home Key > > Settings > Privacy.
2. Tap Factory data reset.
3. Tap Reset phone. Check Erase SD card if you want to erase the memory card.
4. Tap Erase everything.

Hard Reset:
1. Turn Phone off
2. Press and hold Volume up button then Press and hold Power button till a menu will come out "Android system recovery"
4. Use the Volume button to scroll up and down and use the Camera button to select (click on).
5. Scroll down to "Wipe data/factory reset" and click on it.
6. Scroll down to "Yes -- delete all user data" and click on it.
7. After "Data wipe complete" click on "reboot system now"

FTM mode:
1. Turn Phone off
2. Press and hold Volume down button then Press and hold Power button till a screen will come out and say "FTM"

Power Cycle:

1. Take out the back cover (Do not remove the battery)
2. There is a small button right above the camera lens.
3. Push the button, and that will power cycle your device without removing the battery.

TABLET REPAIR COURSE TRAINING HARDWARE & SOFTWARE

Tablet Repair day wise Course Details ( 4 Days) 24th to 27th Sep.

GALAXY TAB P1000, HCL ME X1, CHINA MODELS, WISPRO

Day1

BASIC ELECTRONICS
· AC, Dc, Current, Voltage, Ampere, · Types of circuit, material
· Measurement unit Use of Multi-Meter, digital analog multi-meter.
· How to check AC, DC, and OHMs resistance
· Different smd components
· Resistor, Diodes, Capacitors.
· Inductors, Transformers Transistors
· MOSFET.

INTRODUCTION OF TABLET PC
· Difference between computer, laptop, tablet pc , ipad
· Basic operating of tablet pc

TYPES OF OPERATING SYSTEMS. IN TABLET PC
· Android, operating system in tablet
· 4.0.X ice cream sand wich
· 3.X.X honey comb
· 2.3.x ginger bread
· 2.2 froya
· Basic used detail of android

FORMATTING INSTALLING OPERATING SYSTEM IN TABLET PC
· FACTORY RESET,
· WIPES.
· Firmware update from sdcard
· How to find firmware thru pcb
· Flashing thru odin in Samsung
· Flashing thru IUW in hcl tablet em 73
· Boot option in hcl standard boot, recovery boot, fdwn boot , fast boot
· Installation of operating systems in tablet Pc Android operating system
· Upgrading operating system
· Changing operating systems

DRIVER AND APPLICATION INSTALLATION
· Application installation on tablet pc
· Application install from market
· Application install from memory card
· Troubleshooting of Operating systems.
· Troubleshooting of Application software.
· Troubleshooting of Tablet PC

Day 2

TEARDOWN/ DISMENTAL TABLET PC

· Basic video of opening and closing demo

· Assembley & disassembly of tablet pc demo on 3 models

IDENTIFICATION PARTS OF TABLET PC

· Adapter /charger
· Battery
· Ram & Rom
· Keyboard of tablet pc
· Display windows Touch screen/ touchpad
· Display modules Lcd / TFT/ led Display
· Primary Camera /secondary camera
· Motherboard main pcb
· Processor
· Antenna Carrier
· Loudspeaker
· Led pcb
· Harddisk/ memory card flashchip
· Bios / cmos setting
· Testing of parts

COMPONENT CHECKING & IDENTIFY

· Identify damaged and ok component
· Removing and Inserting component practice

Day 3

TABLET PC REPAIRING CONCEPT

· Adapter Repairing concept
· Battery Repairing boosting concept
· Inverter Section and CCFL Testing .
· Hard disk./ internal Hard disk
· RAM and ROM.
· Touchpad.

BLOCK DIAGRAM OF TABLET PC

· Understanding motherboard block diagram of Tablet PC
· Different section of tablet pc
· Top view of motherboard
· Bottom view of motherboard ‘
· Identify each chip and understand different section
· Working detail of tablet pc motherboard
·

DIFFERENT SECTION OF TABLET PC

· Power section of tablet pc
· Initial failure
· Charging section
· Sim section
· Microphone section
· Speaker section
· Bluetooth wifi section
· Lcd section & troubleshooting of tablet pc
· Touchscreen section & troubleshooting in tablet pc
· Light sensor
· Camera not work front/ back
· Gsm 850/ 900 / 1800 /WCDMA section

Day 4

UNDERSTANDING SCHEMATIC DIAGRAM OF TABLET PC

· Understanding Circuit diagram of power section
· Voltage measurement in Tablet pc
· Troubleshooting power on failure in Tablet
· Use of Debug card post error code.
· Common problem of different motherboards

PROBLEM AND SOLUTION STEPS OF TABLET

· Power on does not work
· Tablet initial failure
· Abnormal charging
· Insert sim cart (after inserting sim)
· Microphone not work
· Speaker not work
· Bluetooth wifi not working
· LCD is not work after PWR ON
· Touch screen does not work
· Camera does not work
· Network Not work (gsm, 850,900,1800, wcdma)
· Using Oscilloscope (CRO).

REPAIRING AND BGA REWORK

· Removing ICs by Hot Air Gun Machine (SMD Machine).
· iCs re-bolling by BGA machine. Concept
· BIOS update & password reset

Advance Laptop Chip Level Training

24th to 27th Sep.

Module 3.1
ADV. ENG. LAPTOP MOTHERBOARD REPAIR
{different motherboards practice, different signals tracing, high level signal tracing, common foult and solution , advance training}

Module 3.2
HIGH END INSTRUMENT & REPAIRING PRACTICE
{confidence in bga reballing, bios update, smd practice, ram spd program, lcd lines repair}