Oppo F11 with model codes CPH1911, CPH1911EX, and CPH1913EX is a 2019 mid‑range smartphone based on the MediaTek Helio P70 platform, originally shipped with ColorOS 6 on Android 9 Pie. The firmware files listed here belong to two main lines for this device: the early CPH1911EX_11_A.xx Android 9/ColorOS 6 series and the later CPH1911_11_F.xx Android 10/ColorOS 7 series.
These full packages can help recover bootloops, repair system partitions, or perform offline upgrades when used with the correct Oppo tools and a matching F11 variant.
Oppo F11 CPH1911 / CPH1911EX / CPH1913EX Firmware Details
| Field | Information |
|---|---|
| Device Name | Oppo F11 (CPH1911 / CPH1911EX / CPH1913EX family) |
| Model Identifier | CPH1911 (standard F11), CPH1911EX (export/global), CPH1913EX (alternate regional export variant) |
| Codename | Helio P70–based F11 platform; specific internal codename not publicly documented |
| Chipset / Platform | MediaTek Helio P70 (MT6771T/WT), octa‑core CPU with Mali‑G72 MP3 GPU |
| Launch Android Version(s) | Android 9 Pie with ColorOS 6 out of the box |
| Current Firmware Line | A‑series: CPH1911/CPH1911EX_11_A.xx (ColorOS 6 / Android 9). F‑series: CPH1911_11_F.xx (ColorOS 7 / Android 10). |
| Firmware Type | Official Oppo full stock packages (ozip/OFX/OFW inside zip/rar/7z archives) for recovery/local update or service flashing. |
| Flashing Tool | Oppo stock recovery / local update for ozip update packages; Oppo/MediaTek DownloadTool or related authorized service tool for full OFP‑style packages. |
| Bootloader Requirement | Designed for locked bootloaders; full flashing may require Oppo service authorization but does not require user OEM unlock. |
| Region / Branch Notes | “EX” denotes export/global branches; using non‑matching region firmware can cause modem or band issues and is not recommended. |
| Typical File Size Range | Approximately 3.0–5.9 GB per package in this list, depending on build generation and compression format. |
| Partition / Package Contents | Complete system set for F11 (boot, system, vendor, modem, dtbo, etc.) in Oppo’s signed firmware format. |
| Verification Note | Flashing method family (Oppo recovery / Oppo MTK service tool) is confirmed across documentation for CPH1911EX_11_A.xx and CPH1911_11_F.xx firmware. |
⚠️ Flashing Risks & Disclaimer
Flashing Oppo F11 firmware can lead to serious issues if the wrong branch, region, or tool is used, including network malfunction, camera errors, or non‑booting devices. Use only CPH1911/CPH1911EX firmware for those exact models and CPH1913EX packages for that variant, and avoid mixing with other Oppo Helio P70 devices such as F11 Pro. All firmware and brand assets remain the property of Oppo; mirrored copies are intended only to restore or update legitimately owned phones and should not be treated as new “official server” endpoints.
Download Firmware for Oppo F11 (CPH1911 / CPH1911EX / CPH1913EX)
These builds are now primarily available from community mirrors (AndroidFileHost, MediaFire, Google Drive, firmware sites) because some historical Oppo download pages are no longer directly exposed. Each entry below is a preserved stock package for the Oppo F11 platform.
| Region / Variant | Filename | Build / Version | Android / Firmware Version | File Type | Build Date | File Size | Download Link |
|---|---|---|---|---|---|---|---|
| CPH1911EX – Export / Global | CPH1911EX_11_A.35_190708_9b7c972f.rar | EX_11_A.35_190708 | ColorOS 6 / Android 9 Pie (mid‑2019 EX update) | RAR archive with Oppo F11 EX_11 firmware package inside | 2019‑07‑08 (from 190708 tag) | 5.5 GB | Download CPH1911EX_11_A.35 (AndroidFileHost mirror) |
| CPH1911EX – Export / Global | CPH1911EX_11_A.35_190708_9b7c972f.zip | EX_11_A.35_190708 | ColorOS 6 / Android 9 Pie (same build, alternate packaging) | ZIP archive with Oppo update/service package | 2019‑07‑08 | 5.62 GB | Download CPH1911EX_11_A.35 (Google Drive mirror) |
| CPH1911EX – Export / Global | CPH1911EX_11_A.43_200325_36b466ea.zip | EX_11_A.43_200325 | ColorOS 6 / Android 9 Pie (late‑March 2020 EX maintenance/security update) | ZIP archive (full EX_11 firmware package) | 2020‑03‑25 (from 200325 tag) | 5.88–5.86 GB (two mirrored copies listed) | Download CPH1911EX_11_A.43 (MediaFire mirror) |
| CPH1913EX – Export / Regional variant | CPH1913EX_11_A.35_190708_9b7c972f.rar | EX_11_A.35_190708 (CPH1913EX branch) | ColorOS 6 / Android 9 Pie (regional twin to CPH1911EX A.35) | RAR archive with Oppo F11 (CPH1913EX) firmware | 2019‑07‑08 | 5.62 GB | Download CPH1913EX_11_A.35 (Google Drive mirror) |
| CPH1911 – Standard F11 variant | CPH1911_11_A.37_190924_36b466ea.zip | 11_A.37_190924 | ColorOS 6 / Android 9 Pie (late‑2019 update for CPH1911) | ZIP (Oppo F11 full firmware package) | 2019‑09‑24 (from 190924 tag) | 5.22 GB | Download CPH1911_11_A.37 (MediaFire mirror) |
| CPH1911 – Android 10 / ColorOS 7 line | CPH1911_11_F.04_202012282322.zip | 11_F.04_202012282322 | ColorOS 7 / Android 10 (early F‑series build) | ZIP archive (F‑branch full firmware) | 2020‑12‑28 (from 202012282322 tag) | 3.88 GB | Download CPH1911_11_F.04 (MediaFire mirror) |
| CPH1911 – Android 10 / ColorOS 7 line | CPH1911_11_F.09_2021042219080774.zip | 11_F.09_2021042219080774 | ColorOS 7 / Android 10 (mid‑2021 F‑series update) | 7z/ZIP archive (service/update package; 7z compressed) | 2021‑04‑22 (from 2021042219080774 tag) | 3.07 GB | Download CPH1911_11_F.09 (MediaFire mirror) |
| CPH1911 – Android 10 / ColorOS 7 line | CPH1911_11_F.19_2022021320390949.zip | 11_F.19_2022021320390949 | ColorOS 7 / Android 10 (later F11 F‑series build, used widely for repairs) | ZIP archive (full Oppo stock firmware) | 2022‑02‑13 (from 2022021320390949 tag) | 3.81 GB | Download CPH1911_11_F.19 (MediaFire mirror) |
All entries hosted via MediaFire, AndroidFileHost, Google Drive, or firmware aggregators are original Oppo packages mirrored for preservation, as Oppo no longer prominently lists every historical build for this model on public portals.
Flashing Requirements
- Windows PC recommended, since Oppo’s Helio P70 flashing utilities and drivers target Windows environments.
- MediaTek USB/Preloader drivers plus Oppo‑specific flashing tools for full packages, or a working stock recovery for local OTA/ozip updates.
- Locked bootloader is expected; some service operations may require Oppo account authorization, depending on tool and region.
- Minimum 40–50% battery charge before flashing to reduce the risk of power loss mid‑process.
- Backup of user data whenever possible, as full firmware flashes (especially A→F migrations or cross‑branch changes) can erase apps and user content.
- Strict verification of model and branch (CPH1911 vs CPH1911EX vs CPH1913EX, and A‑series vs F‑series) before choosing a file.
How to Flash the Firmware
- Select the appropriate firmware line for the device and target version (for example, CPH1911EX_11_A.43 for a late Android 9 build, or CPH1911_11_F.19 for a later Android 10/ColorOS 7 release) and download the corresponding archive from the table.
- Extract the downloaded rar/zip/7z on a Windows PC to reveal the Oppo firmware package (often an ozip or a tool‑specific project), then install MediaTek USB drivers and any required Oppo flashing utility if a full service flash is planned.
- For recovery‑flashable zips, copy the update file to the phone’s storage, boot the Oppo F11 into stock recovery, and use the “Install from storage” or “Local update” menu to select the package; for service flashes, load the firmware into the Oppo tool, connect the device in the required mode, and start the flash.
- Wait until the process completes successfully; avoid disconnecting the cable or powering off the PC or phone during the operation.
- Reboot the F11; the first boot after a major firmware update (especially when moving from A‑series to F‑series) may take several minutes as the system optimizes apps and rebuilds caches.
For a general reference on flashing stock firmware with fastboot/Android tooling, see this background guide (note that F11 uses Oppo‑specific tools on MTK, not bare fastboot alone): How to flash stock firmware using fastboot.
Frequently Asked Questions (FAQs)
What is the difference between CPH1911EX_11_A.xx and CPH1911_11_F.xx?
A‑series (CPH1911/CPH1911EX_11_A.xx) firmwares belong to the ColorOS 6 / Android 9 line, while F‑series (CPH1911_11_F.xx) are ColorOS 7 / Android 10 builds that arrive later in the device’s lifecycle.
Can CPH1911EX firmware be used on CPH1913EX and vice versa?
They share the F11 platform but target slightly different regional SKUs; only flash CPH1913EX packages onto confirmed CPH1913EX devices to avoid modem or regional mismatches.
Do these firmware packages wipe user data?
Full service flashes and some major branch changes (for example A→F) typically wipe user data, while in‑branch recovery updates may keep data but can still reset some settings; always back up before proceeding.
Is an unlocked bootloader required to use these files?
No, Oppo distributes these packages for locked devices, with service tools handling authentication; manual OEM unlock is not required for normal repair/update procedures.
Which file is best to fix a severe bootloop on Oppo F11?
For export/global CPH1911 devices, many technicians prefer a later stable build such as CPH1911_11_F.19_2022021320390949 to both repair the system and bring the phone onto the final Android 10 line.
Are AndroidFileHost, Google Drive, and MediaFire links official Oppo servers?
No, they are third‑party mirrors and firmware archives that host original Oppo packages for preservation after Oppo’s public listings for older models became harder to access.
Can these packages be used to downgrade from Android 10 back to Android 9?
Downgrading from F‑series (Android 10) back to A‑series (Android 9) may be possible but is not officially recommended and can introduce app or data compatibility issues, so it should only be attempted with full backups and proper downgrade instructions.
The flashing tool is not detecting the F11—what should be checked?
Ensure correct MediaTek drivers are installed, try different USB cables/ports, confirm the phone is in the required preloader/download mode, and avoid USB hubs during flashing.
