Troubleshooting Android :The complete Toolkit

Presented by

-Meemansha

145060

BSc(CS)-2nd year

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

What is Android ??

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

Problems in Android

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

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

Troubleshooting Android

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.

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

ADB

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

What does ADB do :Phone rebooting into recovery modeApp side loadingFiles push and pull between PC and an

android device Even more handy commands

Steps to Install ADB into your PCs

Step 1 : Install JDK, Android SDK

Step 2 : Android SDK setup

Step 3 : Enable USB Debugging

Step 4 : Test ADB , Install Device Driver

C:\Users\NAME\AppData\Local\Android\android-sdk\platform-tools

Step 4: Continued…

Step 4 : Continued …

Commands offered by ADB :1. adb install C:\package.apk2. adb uninstall package.name3. adb push C:\file /sdcard/file4. adb pull /sdcard/ file C:\file5. adb logcat6. adb shell command

Continue…7. adb device8. adb start-server9. adb stop-server10. adb backup11. adb restore12. Adb reboot13. Adb reboot recovery

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.

Fastboot

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

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

Fastboot commands :

fastboot oem unlock fastboot device fastboot flash recovery

Alternative to fastboot : Heimdall program, usually used

by Samsung

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.

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

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 “

Titanium Backup Pro

Log Collector

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

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

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

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

App Ops

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

Google removed App Ops

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

Dead Pixel Detect and Fix

What does it do ? It flashes lots of bright colors at once , which

might not be comfortable to see and removes dead pixels

Most common method to troubleshoot Android

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

Any Questions ??