Short Writeup : [https://medium.com/bugbountywriteup/vault-101-samsung-ctf-android-reverse-engineering-challenge-write-up-d5a2b16a9212](https://medium.com/bugbountywriteup/vault-101-samsung-ctf-android-reverse-engineering-challenge-write-up-d5a2b16a9212)
Detailed Writeup : [https://saket-upadhyay.github.io/2020/08/18/sstf-vault-wtireup.html](https://saket-upadhyay.github.io/2020/08/18/sstf-vault-wtireup.html)