Where Is Arknights Progress Stored?
Arknights keeps doctors and rosters server side per account, with the phone holding cache and login state only.
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Arknights is server authoritative. Doctors, operators, and base progress live on Hypergryph servers under your account, split by region. The phone keeps cache and login state in app private storage.
That absence of local saves is the useful fact. Reinstalls are safe by design and emulators add nothing to back up. Confirm the server region before panicking about a missing account, since regions never merge and support cannot move progress between them.
Where Arknights stores this, by platform
/storage/emulated/0/Android/data/<Arknights package>
Cache and login state in app private storage. The exact package varies by region, so match the Arknights entry on your device. Roster data never lives here.
On My iPhone/Arknights
Same split on iOS: disposable local state with server side progress. Sign in on the correct regional server to restore everything.
Frequently asked questions
How do I move Arknights progress to a new phone?
Sign in with the same account on the same server. Global and regional servers never share progress, so the server choice matters as much as the login. Local files move nothing between servers.
Can I back up Arknights saves as files?
No documented local path holds anything restorable, so treat the client as disposable. Reinstall freely and sign back in. Operators, base, and pulls all return with the account.
Notice an outdated path? Let us know.