Arknights: Endfield Cross-Save & Account Sync Explained The Complete Technical Guide for PC, PS5 & Mobile Players (2026)

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Cross-save is one of Arknights: Endfield’s most important quality-of-life features — but it’s also one of the most misunderstood.

Many players assume “cross-save” means everything transfers automatically across platforms. In reality, Endfield’s account system has specific technical rules, server limitations, and platform-binding pitfalls that can permanently split progress if you’re not careful.

This guide breaks down exactly how cross-platform progression works, how to set it up correctly on PC, PS5, Android, and iOS, and how to avoid the most common mistakes reported by the community since launch.

What Cross-Save Means in Arknights: Endfield

Cross-save (also called cross-progression) allows you to:

  • Play on multiple platforms

  • Use one shared account

  • Keep story progress, Operators, resources, and unlocks synced

However, this only works when all platforms are linked to the same Gryphline account and remain on the same server region.

⚠️ Cross-save ≠ cross-play. Endfield supports shared progression, not real-time multiplayer matchmaking across platforms.

Supported Platforms for Cross-Save

Platform                    Cross-Save Supported    Notes
PC (Official Client)✅ YesBest performance, easiest linking
PlayStation 5✅ YesRequires correct PSN → Gryphline linking
Android✅ YesMust log in with same Gryphline account
iOS✅ YesApple ID not used for progression
Steam❌ No (launch)Not officially supported
Xbox❌ NoNo announcement yet
Nintendo Switch❌ NoNot announced

How Account Sync Actually Works (Technical Breakdown)

Arknights: Endfield Cross-Save & Account Sync Explained The Complete Technical Guide

At the center of Endfield’s cross-save system is the Gryphline account.

Your Gryphline Account Controls:

  • Progression

  • Characters and inventory

  • Story completion

  • Event participation

Platforms Do NOT Store Progress Locally

  • Google Play, Apple ID, and PSN do not hold save data

  • They only authenticate the session

  • Progress lives entirely on Gryphline servers

This is why logging in with the wrong account once can create a separate, empty save.

Server Region Lock: The Most Commonly Missed Rule

Cross-save does NOT work across server regions.

Server Region            Can Sync With
Americas / EuropeSame region only
AsiaAsia only
ChinaChina only

Even if:

  • The login email is the same

  • The account name is identical

Progress will not transfer between regions.

🔴 This is one of the top reasons players think cross-save is “broken.”

Step-by-Step: Correct Cross-Save Setup (All Platforms)

Step 1: Create or Confirm Your Gryphline Account

  • Do this before logging in on multiple devices

  • Use one email only

Step 2: Choose Your Server Region Carefully

  • Region selection is permanent for that account

  • Match the region you intend to play on long-term

Step 3: First Login Matters

Your first platform login defines the save slot.

Scenario                            Result
PC first → PS5 later✅ Safe
Mobile first → PC later✅ Safe
PS5 first without linking❌ Risk of empty save

PS5 Account Linking: Where Most Players Go Wrong

When launching on PS5, the game may auto-create a new account if you don’t link manually.

Correct PS5 Setup Flow

  1. Launch Endfield on PS5

  2. Select Account Linking

  3. Log in to your existing Gryphline account

  4. Confirm the link

  5. Only then start gameplay

Common PS5 Mistakes

  • Pressing “Start Game” before linking

  • Assuming PSN automatically syncs progress

  • Creating a second Gryphline account by accident

⚠️ Once progress is created on PS5, it cannot always be merged later.

Cross-Save vs Cross-Play (Clear Comparison)

Feature                        Supported        Explanation
Cross-Save✅ YesOne account, shared progress
Cross-Play⚠️ LimitedNo confirmed multiplayer sync
Cross-Region Sync❌ NoRegions are locked
Cross-Purchase⚠️ PartialPlatform store rules apply

What Transfers — and What Doesn’t

Data Type                                Transfers?
Story Progress✅ Yes
Characters / Operators✅ Yes
Resources & Inventory✅ Yes
Event Progress✅ Yes
Premium Currency⚠️ Platform-dependent
Platform-Exclusive Bonuses❌ No

Common Cross-Save Problems & Fixes

Issue: Progress Missing on Another Device

Cause: Logged into wrong Gryphline account or wrong server
Fix: Log out → confirm email → re-login

Issue: PS5 Showing Fresh Save

Cause: Account not linked before starting
Fix: Contact support immediately — recovery is not guaranteed

Issue: Purchases Not Showing

Cause: Store-locked purchases
Fix: Check platform store policy

Best Practices to Avoid Losing Progress

  • Always link accounts before playing

  • Never test multiple emails

  • Do not switch regions “just to check”

  • Use PC or mobile first if possible

  • Screenshot your account ID

FAQ: Arknights Endfield Cross-Save

Can I move my progress from mobile to PC?

Yes — as long as both use the same Gryphline account and server region.

Can I merge two accounts?

No. Progress cannot be merged.

Does cross-save work offline?

No. Account sync requires server access.

Can I unlink my PSN account?

In some cases, yes — but unlinking may permanently lock progress.

Is cross-save safe long-term?

Yes, if you follow correct linking procedures.

Final Verdict: Is Cross-Save Worth Using?

Absolutely — Arknights: Endfield offers one of the most flexible cross-save systems in modern RPGs.
But it demands careful setup.

If you:

  • Use one Gryphline account

  • Stay on one region

  • Link before playing

You can move freely between PC, PS5, and mobile without losing a single step of progress.

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