The document is a comprehensive troubleshooting guide for Android devices, covering common issues, troubleshooting techniques, and essential tools like ADB, Fastboot, and TWRP. It explains the functionalities of different tools and approaches for diagnosing and resolving Android problems. Additionally, it highlights preventative measures and offers step-by-step installation instructions for various tools to assist users in maintaining their devices.

1. Troubleshooting
Android :
The complete Toolkit
Presented by
-Meemansha
145060
BSc(CS)-2nd year

2. Contents :
 Android
 Problems in Android
 Troubleshooting Android
 Troubleshooting Android toolkit
 ADB
 Fastboot
 TMRP
 Titanium Backup
 Log Collector
 setCPU
 ElemantalX
 Safe Mode
 App Ops
 GSAM Battery Monitor
 Dead Pixel Detect and Fix
 Most common way to Troubleshoot Android

3. What is Android ??

4.  A mobile Operating System
 Developed by Google, based on Linux kernel
 Provide User Interface , Direct Manipulation
 Designed for touchscreen mobile devices
 Respond to real world actions
 Android is largest installed
base of all OS
 Provide Google Play
 In-built facilities

5. Problems in
Android

6.  Google play store crashing
 Insufficient space on device
 Google store not downloading apps
 System UI not working
 Downloads not working
 Can’t connect to Wi-Fi network
 Android device not longer turns on
 Android not reading micro SD card
 Can’t connect Android to window PCs

7.  The battery runs flat too fast
 A small popup menu doesn't
appear after holding the power button
 Backlight turns on and off on it’s own
 The phone doesn't respond at all
 Android corrects words without even asking
 You want to use a third party launcher but it
occasionally switches back to the default one
 Screen orientation change
too often

8. Troubleshooting Android

9. What is Troubleshooting ?
 A form of problem solving
 Logical , systematic search for the source of a
problem
 Needed to develop and maintain complex system
where symptoms of a problem have many
possible causes
 Determining most likely cause is a process of
elimination
 Used in Engineering , System Administration ,
Electronic, Automatic repair , etc.

10. Troubleshooting Android Toolkit :
 ADB
 Fastboot
 TWRP
 Log collector
 Titanium Backup
 setCPU
 ElementalX
 Safe Mode
 App Ops
 GSAM Battery Monitor
 Dead Pixel Detect and Fix

11. ADB

12. What is ADB ?
 An Android Development Kit
 Stands for Android Debug Bridge
 It is a ‘Bridge’ for developers to work out bugs in their
Android Applications
 It lets you modify your mobile via a PC command line
 A versatile command line tool that let to communicate with
emulator or connected Android powered device
 It is client servicer program
 Because of XDA Developer , the user no longer need to
download the full Software Development Kit to get ADB

13. What does ADB do :
Phone rebooting into recovery mode
App side loading
Files push and pull between PC and an
android device
Even more handy commands

14. Steps to Install ADB into
your PCs

15. Step 1 : Install JDK,
Android SDK

16. Step 2 : Android SDK setup

17. Step 3 : Enable USB
Debugging

18. Step 4 : Test ADB ,
Install Device
Driver
C:UsersNAMEAppDataLocalAndroidandroid-
sdkplatform-tools

19. Step 4: Continued…

20. Step 4 : Continued …

21. Commands offered by ADB :
1. adb install C:package.apk
2. adb uninstall package.name
3. adb push C:file /sdcard/file
4. adb pull /sdcard/
file C:file
5. adb logcat
6. adb shell command

22. Continue…
7. adb device
8. adb start-server
9. adb stop-server
10. adb backup
11. adb restore
12. Adb reboot
13. Adb reboot recovery

23. Warning
ADB make outsiders to operate any
data on phone (like credit card , bank
account ).You really need to be sure
that you trust every app on our device before
you enable it, this including that random game
you tried 6 months ago that’s auto updated since
,etc.

24. Fastboot

25. What is fastboot ?
 Fastboot is a part of Android SDK
 It is protocol that update flash file system in android device
 It is alternative to Recovery Mode for installation and updates.
 Fastboot move into the device when device is bricked , to save the day
 It help Flash new recovery and other images
 It can unlock your bootloader
 It has quite a few commands that help revive your device
 It is required when we need to modify our device .
 Useful for updating firmware quickly .
 Helpful for things that ADB can’t do .
 Hack android phone when any problem occur

26. Steps to install fastboot:
 Download latest ADB installer file( adb-setup-1.4.2.exe)
 Run it
 Press Y/Yes to install ADB and Fastboot or N/No to skip
 Press Y/Yes to install ADB system-wide or N/No for current
user only
 Press Y/Yes to install Drivers or N/No to skip
 Continue Driver Installation
 After 15 sec or less , Installation will finish
 To verify that you successfully installed setup Adb and
fastboot , open command promp, enter “adb version”(without
quotes) , If it returns something like “Android Debug Bridge
version x.x.xx”,then your Adb and fastboot are all-ready

28. Fastboot commands :
 fastboot oem unlock
 fastboot device
 fastboot flash recovery

29. Alternative to fastboot :
Heimdall program, usually used
by Samsung

31. What is TWRP ?
 It stands for Team Win Recovery Project
 Open-source recovery image for
Android-based devices
 It is custom recovery that replaces stock
recovery
 Also backup current system
 It allows to flash custom ROMs , root your
device , backup, wipe ,and restore your
device
 It also saves the device when it is soft-bricked
 Alternative to TWRP is ClockworkMod.

32. ClockwordMod :
 It is software company owned by Koush Dutta
 It is known for its custom recovery image replacing
device’s stock recovery image
 You can create and restore backups ,root your
device , install/repair/update system software or
custom ROMs
 It is free and open-source software
 It’s source code is included in the CyanogenMod
source code team

34. What is Titanium Backup ?
 It is used by the users that regularly flash ROMs or just trying
to be safe
 Its can backup every app and even remember individual
apps preferences
 More reliable than TMRP for apps
 Have features like ability to uninstall system apps , freeze
certain apps
 It clean up your storage , or make your app faster
 Setting->Application->check “Unknown sources debugging”
and “Debug over USB “

35. Titanium Backup Pro

37. Log Collector

38. What is log collector ?
 It keeps on running in the background
 It log everything your phone does and give running
account of every event that happen on phone
 Logs help pinpointing any issue in Android using logcat
 Something like a force-close or sudden fault occurs, you
can scroll back to that exact event and can find exactly
what went wrong
 Logging makes you fix the problem
 Developer use it to debug their code or check app
behavior

41. What is setCPU ?
 It is tool for changing CPU settings on rooted
Android phone
 It work with variety devices including HTC One
series , Samsung Galaxy series and Nexus device .
 It improves your phone’s performance or save battery or
both
 It can overclock , underclock
or improve voltage settings

44. What is ElemetalX ?
 Its is a custom kernel for the device
 It can customize every aspect of your
CPU , from clock speed to voltage
 By undervolt , overvolt or overclock , better battery
life and performance can be achieved
 Batteries degrade and get old , but battery can be
saved by improving some things and getting kernel
with efficient governor

47. What is Safe Mode ?
 It is not really an app , but a built in features of
Android devices
 After safe mode only system apps are present and all
the apps you uninstalled don't run
 It help to know whether problem the device is facing
is hardware based or fault in app you installed

49. App Ops

50. What is app ops ?
 It is required when you experience
unnecessary Wakelocks
 It lets you control what permission on app can
access
 It enable to turn off location and “keep awake”
option for apps that don’t need them
 App ops results in massive improvements in
battery life

52. Google removed App Ops

54. What is GSAM battery Monitor ?
It stands for “Golfmen Sachs Asset
Management “.
Stock Android Battery Monitor don’t help
you much to troubleshoot battery issues
Therefore , Gsam Battery monitor find
out what exactly is draining the battery

56. Dead Pixel Detect and Fix

57. What does it do ?
 It flashes lots of bright colors at once , which
might not be comfortable to see and removes
dead pixels

59. Most common method
to troubleshoot Android

60.  Long press the power button
 Press “Power Off”
 Press “OK”
 Volume up + Power button , following will appear
 Press power button , following option will appear
 Select by volume down according to the requirements

62. Any Questions ??