White screen while upgrade to v2.0.2 and then start a new chat

[Ethan Chang]

ver: 2.0.2 (0-beta1)
Device: BQ E5

Summary: White screen while upgrade to v2.0.2 and then start a chat
Steps to reproduce:
1. Upgrade telegram app from 1.x to 2.0.2
2. Launch telegram app
3. It will show exist chat and contacts without re-login
4. Click a exist chat and then input words

Expected Result:
It should be able to input and send message

Actual Result:
Telegram app will become white screen

Note:
I tried at least 3 times and it always get this white screen and relaunch app can make it back

[Ethan Chang (ethan.chang)]

BTW after re-launch app, it will need to login again

[Dr Thorsten Menke (menke-thorsten)]

have the same problems.
after updating ubuntu touch and deinstall and new install telegram app and restarting and new login the white screen after add a new contact still exist. in that case white screen still is coming by trying add a new contact. app must be close by remove by swipe away.