Free, direct downloads of official stock firmware for the Samsung Galaxy M40 (model code SM-M405F) in the BKD region. Pick a build to update, repair, or unbrick your device with the Odin tool.
A CSC (Consumer Software Customization) code ties a Samsung firmware build to the country and carrier it was released for, controlling branding, available languages and which OTA updates a device receives. The BKD code is used in Bangladesh by Unbranded, with one Samsung Galaxy M40 firmware version known so far.
Samsung Galaxy M40 BKD Firmware Archive
Official Samsung Galaxy M40 firmware for the Bangladesh BKD region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
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Samsung Galaxy M40 Combination & Special Files
Combination and service files for the Samsung Galaxy M40 (SM-M405F) — authorized repair, FRP reset after service, and diagnostics.
Device Mobile
Version
Bit - SW REV
FA
Change list
Updated
Status
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BKD Firmware FAQ
Which carriers use the BKD CSC on the Samsung Galaxy M40?+
The BKD CSC is used by Unbranded in Bangladesh. Flash the BKD firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy M40 firmware versions are available for the BKD region?+
Currently one known Samsung Galaxy M40 firmware version is available for the BKD (Bangladesh) region.
How is the BKD CSC different from other region codes?+
Samsung ties every firmware build to one of roughly 599 CSC (Consumer Software Customization) codes, each tied to a specific country and carrier. BKD is the code for Bangladesh (Unbranded) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.
Samsung Galaxy M40 (SM-M405F) — BKD
BKD - Bangladesh
Samsung Galaxy M40 BKD Firmware Archive
Samsung Galaxy M40 Combination & Special Files