This is a direct link to download TWRP 3.3.1 for Ulefone S10 Pro which is built by andrey.medwe
Build date: 2nd Aug 2018
Changelog of TWRP 3.3.1 for Ulefone S10 Pro build by andrey.medwe
If you have reached this link directly then NOTE that this is just a download link to TWRP 3.3.1 img file built for Ulefone S10 Pro. Visit the following link to get a detailed step-by-step guide on how to install TWRP on Ulefone S10 Pro.