Sync and troubleshooting
Move ManYue to another device: restore reading state, then comic files
Divide migration into app data, local comics, server connections and offline checks, and verify each before deciding whether to clear the old device.
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When moving to another iPhone or iPad, the easiest thing to miss is often not a book's title but the actual comic file behind it. ManYue's automatic sync can carry reading history, favorites, settings, and other state, but the new device still needs access to the corresponding content. Separate the migration into checklists and verify each item before clearing the old device merely because familiar covers have appeared.
List four types of content to restore
The first category is reading state: bookshelf groups, history, settings, and notes to retain. The second is local comic originals and downloaded content. The third is remote-service information: service type, address structure, account, and accessible folders. The fourth is results to recheck: reading continuation, offline availability, and whether key bookmarks still locate the right pages.
On the old device, record a representative sample for each category, such as a local PDF, a chapter-based comic, and a server library. Keep their original files and necessary account information, storing credentials somewhere you manage securely. Preparing while the old device is still usable is much easier than searching for originals after clearing it.
Save an independent backup of the old device
Export a local backup from App Data or the Sync Center, save it somewhere you can clearly locate, and record the date and source device. The backup retains app state; comic originals must be saved separately. Manual backups may contain sensitive information such as cookies and WebDAV settings, so manage them as private files rather than placing them in a public shared directory.
If you use iCloud or WebDAV automatic sync, check the old device's latest successful sync time and choose a clear upload source. If both devices already contain data, back up each separately rather than treating sync as a universal conflict-free merge. During preparation, pause simultaneous organization of the same bookshelves on multiple devices to give the migration a clear starting point.
Restore state on the new device and work through the checklist
After installing, check the version, account, and required entitlements, then restore app data by your chosen method. With sync, download data that has already uploaded successfully. With a manual backup, import the file from the appropriate date. Check important groups, recent reading records, and settings afterward to confirm that you restored the intended source rather than an older copy.
If a book record is visible but cannot yet be opened, mark it as “state restored, content pending.” This is a clear intermediate result that you can address without immediately importing all app data again. Repeated state restoration may change groups that were already correct while leaving the actual problem—missing comic files or remote access—unresolved.
Restore local comics and remote access
Reimport local comics from the original files you retained, starting with your checklist samples. Use the same files and chapter structure where possible, then check titles, chapters, and actual reading pages. Automatic sync does not include comic files, download records, or NAS indexes, so these need separate restoration and checks.
Server-library connections or cached directory records may appear with the restored state, but the new device may still require credentials again. Reconnect to the NAS and scan the required folders, confirming that the index corresponds to actual files. If a remote source has changed address or files have moved, verify the current configuration instead of assuming an old cover means the original path still exists. Recheck downloaded content on the new device; a completion record from the old device is not proof of offline availability on the new one.
Example: one local book and one NAS folder
Suppose you read a self-made PDF on your old tablet and have favorited several short comics on your NAS. First retain the original PDF and an app-data backup, and confirm that synchronization succeeded. After restoring the state on the new phone, import the same PDF and open the page recorded in your checklist. Then reconnect to the NAS, select the corresponding comic folders, and confirm that the files and chapters actually open.
If you are preparing for a commute, download the required short comics to the new phone and check several positions without a network connection. In this process, restoring the bookshelf, importing the PDF, connecting to the NAS, and downloading for offline use are separate steps with observable results. If one fails, return to that step rather than restarting the entire migration.
Tick off samples that pass, and note whether each unfinished item lacks a file or account information. These specific records let you resume directly from the unfinished point when completing the migration later.
Decide what to do with the old device last
Check at least two types of content from different sources, verify important groups and bookmarks, and close and reopen the app on the new device to check reading continuation again. Allow a period of actual use and confirm access to regularly read content before considering cleanup of the old device. Even after migration, keep independent originals and backups rather than concentrating the only copies on one device.
Migration should not be described as making everything automatically identical after changing devices. Source identifiers, folder locations, credentials, file versions, and network conditions may change. Sample checks establish what has been restored more reliably than promising unconditional matching of every record, and make missing pieces easier to identify.
All my bookshelves are back. Can I delete the files on the old device?
Open the required comics on the new device and check them offline first. A bookshelf records state; files contain the reading content. Confirm both separately. Once you have retained the originals and a recoverable backup, handle old copies according to your storage plan.
Why is the server connection still there but asking me to sign in again?
Connection information and device credentials have different restoration scopes. Authorize again with the current service account, then check folders and content. A request to sign in again does not mean all sync failed, and there is no need to overwrite all reading state just to supply one password.
What to read next
- Detailed manual backup and restoration steps.
- Confirm offline reading on the new device.
- Check bookshelf groups after restoration.
Sources and version
Checked on October 22, 2026: ManYue 2.0.2 for iPhone / iPad. Based on the public description on the China App Store, Apple release lookup and the corresponding feature entry points. Interface labels may change with the version. Feature access is determined by the app’s current purchase screen.