File Manager for OnePlus — OxygenOS Power Users Deserve Better

Why OnePlus Power Users Need a Better File Manager

OnePlus phones ship with "My Files" — a rebadged version of ColorOS File Manager that OnePlus inherited when it merged with Oppo. It handles basic tasks: browsing folders, moving files, clearing cache. But if you do anything beyond the basics, you hit walls fast.

The built-in app crashes. It's a documented problem across the OnePlus 13, 15, and Nord series running OxygenOS 14 and 15. The app freezes when browsing large directories, refuses to open after updates, and sometimes loses its storage permission entirely. The standard fix — clear cache, clear data, reboot — works temporarily until the next OxygenOS update breaks it again.

Beyond stability, the built-in file manager simply lacks features that OnePlus's technically-minded user base expects. No NAS access. No cloud integration beyond Google Drive (and even that is limited to "open in Drive" rather than true file management). No archive creation. No wireless PC transfer since File Dash was discontinued in 2021.

AnExplorer fills every gap: stable operation, full network storage, 7 cloud services, archive management, and wireless transfer to any device with a browser.

What OnePlus's Built-in File Manager Can't Do

OxygenOS-Specific Setup

Setting AnExplorer as the default

OxygenOS 14+ (OnePlus 12, 13, 15, Nord 4, Nord CE 4):

1. Settings → Apps → Default apps → File Manager
2. Select AnExplorer
3. Now when any app triggers a "choose file" intent, AnExplorer opens

OxygenOS 12/13 (OnePlus 10, 11, Nord 2T, Nord CE 3):

1. Settings → Apps → App management → tap ⋮ → Default apps
2. File Manager → select AnExplorer

Preventing OxygenOS from killing background processes

OnePlus's battery optimization is aggressive. If Device Connect (wireless transfer) stops when you switch apps:

1. Settings → Battery → Battery optimization → find AnExplorer → select "Don't optimize"
2. Settings → Apps → App management → AnExplorer → Battery usage → Allow background activity
3. Lock in recents: open recent apps, swipe down on AnExplorer's card to pin it

Without these steps, OxygenOS may kill the Device Connect server within 30 seconds of switching to another app. This is an OS-level behaviour, not an AnExplorer limitation — it affects all apps that run background services.

Accessing Android/data on OxygenOS 12+

Google restricted direct access to Android/data/ and Android/obb/ starting with Android 12. OnePlus's built-in file manager responds by blocking access entirely and suggesting you use Google Files instead.

AnExplorer handles this differently:

1. Navigate to Internal Storage → Android → data
2. A system dialog appears: "Allow AnExplorer to access this folder?"
3. Tap "Use this folder" → Allow
4. Full read/write access granted via Storage Access Framework

This is essential for managing WhatsApp backups, game data (OBB files), and app-specific storage that other file managers can't reach.

Installing APKs on OxygenOS

OxygenOS adds an extra verification step when sideloading:

1. Settings → Apps → Special app access → Install unknown apps → AnExplorer → Allow
2. Navigate to the APK in AnExplorer → tap to install
3. OxygenOS shows a "Verify and install" dialog — wait for the scan, then tap Install

For split APK bundles (APKS, APKM, XAPK) downloaded from APKMirror or similar sources, AnExplorer handles the multi-part installation automatically. The built-in file manager can't process these formats.

Transferring Files Without File Dash

OnePlus discontinued its proprietary File Dash sharing feature in April 2021, replacing it with Google's Nearby Share (now Quick Share). But Quick Share only works between Android devices — it can't send files to a Windows PC, Mac, or Linux machine.

AnExplorer's Device Connect fills this gap with a universal approach:

1. Open AnExplorer → ☰ → Device Connect → Start
2. The app displays an address like http://192.168.1.42:8080
3. On any computer, open a browser and type that address
4. Browse your phone's files, download what you need, or upload files from PC

No software to install on the PC. No OnePlus account. No pairing. Works on any device with a web browser — Windows, Mac, Linux, Chromebook, even another phone.

Transfer speeds depend on your WiFi network: expect 20–60 MB/s on a typical home router, faster on WiFi 6/6E networks that OnePlus 13 and 15 support.

Connecting to Network Storage

OnePlus's file manager has zero network storage support. If you own a Synology, QNAP, TrueNAS, or even a Windows PC with shared folders, you need a third-party app to access them from your phone.

AnExplorer supports every major protocol:

SMB (for NAS and Windows shares):

1. AnExplorer → Network → SMB → tap +
2. Enter your NAS IP (e.g., 192.168.1.100), username, password
3. Browse shares — stream video, copy photos, manage backups

FTP/SFTP (for remote servers):

1. Network → FTP or SFTP → tap +
2. Enter hostname, port (21 for FTP, 22 for SFTP), credentials
3. Full file management on remote servers

WebDAV (for Nextcloud, ownCloud):

1. Network → WebDAV → tap +
2. Enter your Nextcloud URL + credentials
3. Access your self-hosted cloud directly

All connections are bookmarked for one-tap access from AnExplorer's sidebar. No re-entering credentials each time.

Cloud Storage Beyond Google Drive

The built-in OnePlus file manager integrates with Google Drive only at a surface level — it can "open in Drive" but can't manage Drive files as if they were local storage. AnExplorer treats cloud storage as a first-class file system:

• Google Drive — browse, copy, move, rename, delete, upload. Full management.
• Dropbox — same full access, including shared folders
• OneDrive — personal and business accounts
• MEGA — 20 GB free tier, encrypted storage
• Box — enterprise cloud storage
• pCloud — European privacy-focused storage
• Yandex Disk — popular in CIS regions

Add accounts once, access them permanently from the sidebar. Copy files between cloud services, or between cloud and local storage, without downloading to a temporary location first.

OnePlus Models Confirmed Compatible

AnExplorer works on every OnePlus phone ever made that runs Android 7.0+:

• Flagship: OnePlus 15, 15R, 15T, 13, 13R, 12, 12R, 11, 10 Pro, 10T
• Nord: Nord 6, Nord 5, Nord 4, Nord CE 4, Nord CE 3, Nord N30, Nord N20
• Ace: Ace 6 Ultra, Ace 5 Pro, Ace 5, Ace 3, Ace 2
• Older: OnePlus 9 series, 8 series, 7 series, 6T, 6, 5T, 5, 3T, 3

Whether you're on the latest OxygenOS 16 or still running OxygenOS 11, AnExplorer installs and runs without issues.

Common Tasks for OnePlus Users

Backing up WhatsApp before switching phones

WhatsApp stores media and databases in Android/media/com.whatsapp/. Before switching to a new OnePlus:

1. AnExplorer → navigate to Android/media/com.whatsapp/WhatsApp/
2. Select the entire WhatsApp folder → Copy
3. Paste to your NAS, cloud storage, or PC via Device Connect
4. On the new phone, restore from this backup after installing WhatsApp

This gives you a complete backup including media, voice notes, and chat databases — not just the Google Drive backup that WhatsApp offers (which excludes large videos).

Managing game data and OBB files

Large games (Genshin Impact, PUBG Mobile, Call of Duty Mobile) store gigabytes in Android/obb/. When storage runs low:

1. AnExplorer → Android → obb
2. Sort by size to find the largest game folders
3. Move completed/unplayed game data to SD card or external storage
4. When you want to play again, move it back

The built-in file manager can't access this folder at all on OxygenOS 12+.

Freeing storage on OnePlus phones without SD card slots

Modern OnePlus phones (13, 15, Nord 4+) don't have SD card slots. When 256 GB fills up:

1. AnExplorer → Memory Cleaner — finds duplicate photos, leftover APKs, empty folders
2. Large file scan — sort any folder by size to find forgotten downloads
3. Move to NAS — connect via SMB and offload photos/videos to your home server
4. Cloud archive — move old files to Google Drive or MEGA (20 GB free)

AnExplorer's Memory Cleaner typically finds 2–8 GB of reclaimable space on a phone that's been used for 6+ months.

Related Guides

• Transfer Android to PC — wireless transfer without cables
• SMB File Manager — connect to NAS from any Android phone
• File Manager for Xiaomi — similar setup for MIUI/HyperOS
• WhatsApp File Manager — manage WhatsApp storage