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And about the Go keyboard, they actually record the text you type most of the guides out there using it as a keylogger.
It has been known for a long time that Go Keyboard is a Keyboard replacement app that collects user data. This finding was revealed by Adguard as a security company, Go Keyboard collects sensitive information including emails associated with Google accounts, type of android and more.
Also, there are some plugins that are automatically downloaded, and these act as adware that will give a lot of ads typed using Go Keyboard. The GOMO china Dev Team is the developer behind the Go Keyboard app.
https://www.androidauthority.com/go-keyboard-caught-spying-802270/And sometimes some systems become corrupted due to bugs and malware that can turn your device into hardbrick you can fix this hardbrick but the problem is if you are using Qualcomm devices it needs to use a Jtag to be able to recover it from hardbrick only professional tech have this Jtag box.
Samsung phones also disable Knox protection if you unlocked the bootloader I never unlocked my phone because most of my exchange apps and wallet are in my phone.
Only unlocked bootloader if you want to do some experiment or test something just make sure don't use it to any sensitive data.
Some of the methods used to deal with hardbrick android devices vary depending on the type of smartphone used.
But in general using Jtag Box or similar tools can be very useful.
The hardbrick that occurs makes the system unable to enter fastboot mode and recovery mode or download mode.
The device will only be
stuck in Qualcomm USB900e mode and cannot be executed.
But for now, Knox protection on Samsung is quite difficult to break.
Tried to do it on a samsung galaxy note 8 but always failed.