Arknights: Endfield Sanctuary of Ink pre-download: Android storage requirements
The 13 October 2026 Endfield announcement detailed mobile pre-download size, extra Android extraction space and Asia server maintenance times.
Historical coverage translated from the original article. Dates, rewards and availability describe that announcement; check the game for current conditions.
Arknights: Endfield published this announcement on 13 Oct 2026. This date identifies the original announcement, not the date an APK was uploaded or this English version was prepared.
Pre-download for Arknights: Endfield version Sanctuary of Ink is available. On Android and iOS, open the game and select Pre-Download Resources on the login screen to begin. The announced mobile pre-download is about 5 GB.
On Android, allow another 5 GB of free storage during extraction, in addition to about 5 GB of update data. These are the announced update requirements, not the size of the entire game installation.
Mobile pre-download is expected to end at 15 October 2026 at 04.30 WIB. The game cannot be played while mobile pre-download is running, so choose a time when you are not playing.
Asia server maintenance is scheduled from 15 October 2026 at 05.00 WIB to 15 October 2026 at 11.00 WIB. These times were converted from UTC+8 to WIB (UTC+7). Finish preparations beforehand and check in-game notices for schedule changes.