Samsung Galaxy A40 (SM-A405FN) — BTU
Samsung Galaxy A40 Released 2019, April | 140g, 7.9mm thickness | Android 9.0, up to Android 11 | 64GB/128GB storage, microSDXC | Super AMOLED | 16 MP, f/1.7, 26mm (wide), PDAF 5 MP, f/2.2, 13mm (ultrawide) | Li-Po 3100 mAh, non-removable
Samsung Galaxy A40 Network Specifications
| Speed | HSPA 42.2/5.76 Mbps, LTE (2CA) Cat12 600/150 Mbps |
| 4G | 1, 3, 5, 7, 8, 20, 38, 40, 41 |
| 3G | HSDPA 850 / 900 / 1900 / 2100 |
| 2G | GSM 850 / 900 / 1800 / 1900 |
| Technology | GSM / HSPA / LTE |
Samsung Galaxy A40 body Specifications
| SIM | · Nano-SIM · Nano-SIM + Nano-SIM |
| Build | Glass front (Gorilla Glass 3), plastic back, plastic frame |
| Weight | 140 g (4.94 oz) |
| Dimensions | 144.4 x 69.2 x 7.9 mm (5.69 x 2.72 x 0.31 in) |
Samsung Galaxy A40 MISC Specifications
| SAR EU | 0.49 W/kg (head) 1.34 W/kg (body) |
| Colors | Black, White, Blue, Coral |
Samsung Galaxy A40 display Specifications
| Protection | Corning Gorilla Glass 3 |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~437 ppi density) |
| Size | 5.9 inches, 85.5 cm 2 (~85.5% screen-to-body ratio) |
| Type | Super AMOLED |
Samsung Galaxy A40 Sound Specifications
| 3.5mm jack | Yes |
| Loudspeaker | Yes |
Samsung Galaxy A40 Platform Specifications
| GPU | Mali-G71 MP2 |
| CPU | Octa-core (2x1.77 GHz Cortex-A73 & 6x1.59 GHz Cortex-A53) |
| Chipset | Exynos 7904 (14 nm) |
| OS | Android 9.0 (Pie), upgradable to Android 11 |
Samsung Galaxy A40 Battery Specifications
| Charging | 15W wired |
| Battery | Li-Po 3100 mAh, non-removable |
Samsung Galaxy A40 memory Specifications
| Internal | 64GB 4GB RAM, 128GB 4GB RAM |
| Card slot | microSDXC (dedicated slot) |
Samsung Galaxy A40 Main Camera Specifications
| Video | 1080p@30fps |
| Features | LED flash, panorama, HDR |
| Camera | 16 MP, f/1.7, 26mm (wide), PDAF 5 MP, f/2.2, 13mm (ultrawide) |
BTU Region Firmware Info
BTU - United KingdomA 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 BTU code is used in United Kingdom by O2, Orange, Life Mobile, EE/T-Mobile, Virgin, Vodafone, BT Mobile, H3G, Asda, Meteor, Tesco Mobile Ireland, Talkmobile, TalkTalk, with one Samsung Galaxy A40 firmware version known so far.
Samsung Galaxy A40 BTU Firmware ArchiveOfficial Samsung Galaxy A40 firmware for the United Kingdom BTU region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
Samsung Galaxy A40 Combination & Special FilesCombination and service files for the Samsung Galaxy A40 (SM-A405FN) — authorized repair, FRP reset after service, and diagnostics.
| Device Mobile | Version | Bit - SW REV | FA | Change list | Updated | Status |
|---|---|---|---|---|---|---|
BTU Firmware FAQ
Which carriers use the BTU CSC on the Samsung Galaxy A40?+
The BTU CSC is used by O2, Orange, Life Mobile, EE/T-Mobile, Virgin, Vodafone, BT Mobile, H3G, Asda, Meteor, Tesco Mobile Ireland, Talkmobile, and TalkTalk in United Kingdom. Flash the BTU firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy A40 firmware versions are available for the BTU region?+
Currently one known Samsung Galaxy A40 firmware version is available for the BTU (United Kingdom) region.
How is the BTU 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. BTU is the code for United Kingdom (O2, Orange, Life Mobile, EE/T-Mobile, Virgin, Vodafone, BT Mobile, H3G, Asda, Meteor, Tesco Mobile Ireland, Talkmobile, and TalkTalk) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.