SafeRooting
Samsung Galaxy A40
Samsung

Samsung Galaxy A40

Released: 2019, March 19Price: About 260 EURStatus: Available. Released 2019, April

Root Support Available

Bootloader unlock, Magisk root, recovery notes, and expert support are available for this device family.

Full Specifications

OSAndroid 9.0 (Pie), upgradable to Android 11
CPUOcta-core (2x1.77 GHz Cortex-A73 & 6x1.59 GHz Cortex-A53)
GPUMali-G71 MP2
NFCYes
SIMNano-SIM, Nano-SIM + Nano-SIM
USBUSB Type-C 2.0
Dual16 MP, f/1.7, 26mm (wide), PDAF, 5 MP, f/2.2, 13mm (ultrawide)
Size5.9 inches, 85.5 cm, 2, (~85.5% screen-to-body ratio)
TypeSuper AMOLED
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
BrandSamsung
BuildGlass front (Gorilla Glass 3), plastic back, plastic frame
ModelSamsung Galaxy A40
PriceAbout 260 EUR
RadioFM radio
SpeedHSPA 42.2/5.76 Mbps, LTE (2CA) Cat12 600/150 Mbps
Video1080p@30fps
CameraPhoto, /, Video
ColorsBlack, White, Blue, Coral
ModelsSM-A405F, SM-A405FN, SM-A405FM, SM-A405S
SAR EU0.49 W/kg (head) 1.34 W/kg (body)
Single25 MP, f/2.0, 25mm (wide), 1/2.8", 0.9µm
StatusAvailable. Released 2019, April
Weight140 g (4.94 oz)
ChipsetExynos 7904 (14 nm)
Display548 nits max brightness (measured)
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
2G bandsGSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100
4G bands1, 3, 5, 7, 8, 20, 38, 40, 41
Charging15W wired
FeaturesLED flash, panorama, HDR
Internal64GB 4GB RAM, 128GB 4GB RAM
Released2019, March 19
Announced2019, March 19
Bluetooth5.0, A2DP, LE
Card slotmicroSDXC (dedicated slot)
3.5mm jackYes
Dimensions144.4 x 69.2 x 7.9 mm (5.69 x 2.72 x 0.31 in)
ProtectionCorning Gorilla Glass 3
Resolution1080 x 2340 pixels, 19.5:9 ratio (~437 ppi density)
TechnologyGSM / HSPA / LTE
LoudspeakerVoice 66dB / Noise 68dB / Ring 73dB
PerformanceAnTuTu: 106388 (v7), GeekBench: 4112 (v4.4), GFXBench: 4.6fps (ES 3.1 onscreen)
PositioningGPS, GLONASS, GALILEO, BDS
Audio qualityNoise -91.0dB / Crosstalk -85.9dB
Battery (old)Endurance rating 73h

Samsung Galaxy A40 Overview

About Samsung Galaxy A40 Samsung Galaxy A40 is another flagship from Samsung's popular line of first class Android phones, released in the 2019. Samsung Galaxy A40 has a wide variety of great specifications such as 64GB 4GB RAM, 128GB 4GB RAM with Exynos 7904 (14 nm) , as well as ultrasonic fingerprint sensor. The thing that makes this decent smartphone special is its sleek design and an amazing all-screen design with no notches at all.

Rooting Information

Samsung Galaxy A40 can generally be rooted with a bootloader unlock and Magisk patched boot image workflow. Always match firmware build numbers before flashing.

Bootloader Information

Most Android rooting methods begin with bootloader unlock. Unlocking may wipe data, affect warranty, and disable some security features.

Recovery Information

Custom recovery support depends on chipset, kernel source availability, and community builds. Fastboot-based Magisk installation can work even when TWRP is unavailable.

FAQ

Can I root the Samsung Galaxy A40?

The Samsung Galaxy A40 supports rooting through Magisk. You'll need to unlock the bootloader first, then flash a patched boot image. Check the rooting status card on this page for availability.

Does Samsung Galaxy A40 support custom recovery (TWRP)?

Many Samsung devices support TWRP. Check our device page for recovery compatibility. If TWRP isn't available, you can still use Magisk through fastboot method.

Will rooting Samsung Galaxy A40 void warranty?

Yes, rooting the Samsung Galaxy A40 will void the manufacturer warranty. However, you can unroot using the stock firmware to potentially restore warranty coverage.

What Android version does Samsung Galaxy A40 run?

Check the specifications section above for the current OS version and upgrade history of your Samsung Galaxy A40.