How to enter the recovery menu?
Turn off the phone and turn it on while holding down the Home, ON / OFF and Volume + buttons.
Where to get TWRP Recowery?
It is sewn into the kernels of custom firmwares and therefore it will appear on your device after installation.
How to activate forced reboot?
Clamp all device buttons simultaneously and wait for the screen to turn off (usually takes в‰€10 seconds) and then release all buttons.
How to enable settings for developers?
Go to Settings>вЂњAbout phoneвЂќ and press вЂњBuild numberвЂќ 7 times.
How to make a screenshot?
At the same time hold and hold the Home and Volume - buttons.
Will IMEI crash after firmware?
What to do if, after various manipulations with the firmware, IMEI still flies?
Follow this instructions
to restore them.
How to get root-rights?
In firmware, they are already built-in. You can activate them in the settings for developers in the item вЂњSuperuser modeвЂќ.
Is it possible to install firmware through standard recovery?
Not. Custom firmware will not be installed due to the verification of archive signatures built into the recovery.
How to backup (backup) applications to restore them on a new firmware?
Using the вЂњTitanium BackupвЂќ program, but in very rare cases, errors may occur in the operation of restored applications.
How to return to the standard (stock) firmware?
Install it through Odin. All details in related topic
Should I do a system cleanup when updating an existing firmware?
No, cleaning is optional. Just install it through the recovery on top of the existing one.
What are GApps?
GApps (Google Apps) are GoogleвЂ™s apps and services.
What to do if VPN does not work?
Copy file tun.ko of system / lib / modules at system / lib / modules / autoload and restart the phone.
Why, when choosing a 3G network mode, it sometimes automatically switches to 2G and how to solve this problem?
For some firmware in the settings, the вЂњ3GвЂќ mode means вЂњ2G + 3GвЂќ with the priority of the latter. You can fix this by choosing 3G mode in the settings, then dialing the code вЂњ* # * # 4636 # * # *вЂќ in the dialer, in the window that appears, go along the path вЂњPhone InformationвЂќ>вЂњSet Preferred Network TypeвЂќ and select вЂњWCDMA onlyвЂќ
How to вЂњoverclockвЂќ a smartphone?
Overclocking is carried out using the built-in ChronoKernel firmware by increasing the processor frequency (by default 800 MHz with the possibility of increasing to 1245 MHz) and using a script for overclocking DDR (more details under the "Useful" spoiler).
Why did the 3G connection disappear in the firmware, data transfer does not turn on, and in the settings in the item вЂњCommunication module firmwareвЂќ it shows вЂњXXXXвЂќ and how to fix it?
This happened as a result of damage to the вЂњmodemfsвЂќ section in the phone. To return everything to its place, you need to flash the modem you need for this reference
If you selected modems for CWM, then you can sew them through TWRP, but you have to do this 2 times. After the first installation, in the settings, the firmware of the communication module will be defined as вЂњUnknownвЂќ, and after the second, everything will be as it should.
How to make Logcat if the phone is hanging on bootanimation?
Need to follow this instructions
What is memory re-allocation, what is it for, and what file to re-allocate?
This is the process of resizing memory in some partitions at the expense of others. It is needed because when installing custom firmware in the "system" section there is not enough space to install GApps. Of the presented selection of files for re-allocation of memory, I personally recommend choosing this one - CWM_ReParted_SY820_CA130_DA1800_SD1000