Starting today, you can download the official Telegram X APK files from the releases section in the GitHub repository.

0.26.3.1674 and all further stable versions will be available there.

Additionally you may find the latest pre-release version (0.26.4.1676 beta at the moment), which is an alternative way of getting the Google Play beta.

Stay safe, and download Telegram X only from official sources.

0.26.4.1677 beta released.

Changes from 1676: 4fc93706...0c9f7005
Pull requests: 523 / 647b36e6 (+2675,-45), 528 / a41e4e52 (+397,-279) by Arseny271

Google Play beta will be available after passing the review process.
You can install APKs directly: arm64, arm32, x64.

Finished in 24 minutes 55.0 seconds

0.26.4.1678 beta released.

Changes from 1677: 0c9f7005...99b10675

Google Play beta will be available after passing the review process.
You can install APKs directly: arm64, arm32, x64.

Finished in 28 minutes 26.7 seconds

0.26.4.1679 beta released.

Changes from 1678: 99b10675...e93eabf9

Google Play beta will be available after passing the review process.
You can install APKs directly: arm64, arm32, x64.

Finished in 25 minutes 44.2 seconds

0.26.4.1680 beta released.

Changes from 1679: e93eabf9...4ca4dc7a
Pull requests: 543 / d0c4d1ba (+4114,-578) by nikita-toropov

Google Play beta will be available after passing the review process.
You can install APKs directly: arm64, arm32, x64.

Finished in 27 minutes 19.4 seconds