Crucial Warning: These packages are only for the exact Huawei P8 variant named in each filename, including suffixes such as GRA-L09, GRA-UL00, GRA-UL10, GRA-CL00, GRA-CL10, and GRA-TL00; they must not be flashed across variants just because they share the P8 name. This model family also spans different regional tracks and chipset listings, so a wrong CUST or variant mix can leave the phone unable to boot properly, unable to register on mobile networks, or stuck on incompatible software.
Download Firmware for Huawei P8
GRA-UL10C432B520_Android6_EMUI4.0.3.zip
Final Marshmallow UL10 Europe build. Not for L09/UL00.
⬇️ Download via Google DriveGRA-TL00C01B376_Android6_EMUI4.zip
Latest TL00 full package. Use for C01 branch only.
⬇️ Download via Google DriveGRA-UL10C636B371_Asia_Dload.zip
Recommended for UL10 Asian market devices.
⬇️ Download via Google DriveGRA-UL10B370_81003Lx.zip
Smaller UL10 package. Verify completeness before use.
⬇️ Download via BaiduGRA-UL00_L03C185B361_MEA.zip
Mixed naming u2014 verify model before flashing.
⬇️ Download via Google DriveGRA-UL00_UL10C900B141_Android5.zip
General base for unknown UL00/UL10 history.
⬇️ Download via Google DriveGRA-UL00_2015-09-30_Android5.0.1.zip
Early baseline firmware with known date.
⬇️ Download via Google DriveFlashing Overview for Huawei P8
- Identify the exact Huawei P8 submodel and choose the nearest matching package (e.g. GRA-L09 C432B222 for European L09)
- Extract the archive and confirm it contains a dload folder or an UPDATE.APP file
- Copy the firmware folder to a microSD card, keeping the folder name and structure unchanged
- Start the Huawei P8 local update or hardware-button dload process and let verification finish before flashing
- After first boot, give the device time to rebuild; re-check model/CUST match if it loops or behaves abnormally
Expand preparation checklist for Huawei P8
- Confirm the exact suffix on the phone or label first: GRA-L09, UL00, UL10, CL00, CL10, or TL00. On the P8 family, the shared product name is not enough.
- Match the CUST code where possible: C432 for Europe, C636 for many Asian markets, C185 for Middle East/Africa, and C92/C00/C01 for Chinese branches in this list.
- Extract the archive before doing anything else and check whether it contains a proper dload folder or at least an UPDATE.APP file. Some smaller packages may be less complete than the large full dload archives.
- Use a reliable microSD card because the Huawei P8 commonly relies on local package access for recovery flashing. Bad cards are a frequent reason for stalled dload installs.
- Back up all data, charge the phone well, and remove any assumption that the flash will preserve apps or media. Service-style packages and recovery restores can wipe the device.
Compatibility & Bootloader Notes
Do not cross-flash between suffixes or CUST branches, and do not relock anything unless you are certain the installed firmware matches the phone's real sales region and hardware. GRA-L09, GRA-UL00, and GRA-CL00 are commonly documented around Kirin 930, while GRA-UL10 is commonly listed with Kirin 935, so a wrong variant mix can leave the phone unable to boot or register on mobile networks.
Ready to Flash This Firmware?
Full step-by-step instructions for Huawei P8, including prerequisites, error fixes, and screenshots, are on FlashGuideHub's Huawei UPDATE.APP guide.
Can also be flashed via Huawei eRecovery: Open Huawei eRecovery Guide →
Frequently Asked Questions
No. The P8 family includes separate variants, and UL10 is commonly documented as a different branch from L09, with UL10 often listed around Kirin 935 while L09 is documented around Kirin 930.
The clearest retail-style match in this set is GRA-L09 C432B222. The C900B151 package looks more general and is better treated as a recovery-oriented option when the device history is messy.
Those smaller archives may be repacked, branch-specific, or less complete than the large full dload packages. That does not automatically make them bad, but it does mean you should inspect the extracted contents before using them as a first restore choice.
No. On the Huawei P8, exact variant and regional branch matter more than chasing the biggest number, so a correct C432B222 can be safer than a higher build meant for a different suffix or market.
It is better to think of C900 as a broad or generic branch, not a magic universal answer. It can be useful when the phone has been debranded or its prior region is unclear, but a true region match is still the cleaner end state.
The most obvious matches are C185B361 and C185B391, because both are explicitly tied to the C185 regional branch. Those are more sensible starting points than forcing a C432 or C636 package onto a Middle East device.