An Excellent and interesting Presentaion for 45 minutes Seminar or Group discussion of Computer Science .It will not make the listeners bored . All the best .. !!

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 ??