SafeRooting
Honor 400 Smart 4G
Honor

Honor 400 Smart 4G

Released: 2025, September 12Price: About 300 EURStatus: Available. Released 2025, September 30

Root Support Available

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

Full Specifications

OSAndroid 15, Magic OS 9
CPUOcta-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
GPUAdreno 610
NFCYes (market/region dependent)
SIMNano-SIM + Nano-SIM
USBUSB Type-C 2.0, OTG
Dual108 MP, f/1.8, (wide), PDAF, 2 MP, f/2.4, (depth)
Size6.77 inches, 110.2 cm, 2, (~86.0% screen-to-body ratio)
TypeTFT LCD, 120Hz, 850 nits (HBM)
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
BrandHonor
ModelHonor 400 Smart 4G
PriceAbout 300 EUR
RadioNo
SpeedHSPA, LTE
Video1080p@30fps
ColorsDesert Gold, Velvet Black
EnergyClass A
ModelsLGN-NX1
Single8 MP, f/2.0, (wide)
StatusAvailable. Released 2025, September 30
Weight208 g (7.34 oz)
Battery69:32h endurance, 1600 cycles
ChipsetQualcomm SM6225 Snapdragon 685 (6 nm)
SensorsFingerprint (side-mounted), accelerometer, proximity, compass
2G bandsGSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bandsLTE
Charging35W wired, 5W reverse wired
FeaturesLED flash, HDR
Internal128GB 6GB RAM, 256GB 8GB RAM
Released2025, September 12
Announced2025, September 12
Bluetooth5.0, A2DP, LE, aptX HD
Card slotNo
Free fallClass A (270 falls)
3.5mm jackNo
Dimensions166.9 x 76.8 x 8.2 mm (6.57 x 3.02 x 0.32 in)
ProtectionMohs level 4
Resolution720 x 1610 pixels, 20:9 ratio (~261 ppi density)
TechnologyGSM / HSPA / LTE
LoudspeakerYes, with stereo speakers
PositioningGPS, GLONASS, GALILEO, BDS
RepairabilityClass B

Honor 400 Smart 4G Overview

About Honor 400 Smart 4G Honor 400 Smart 4G is another flagship from Honor's popular line of first class Android phones, released in the 2025. Honor 400 Smart 4G has a wide variety of great specifications such as 128GB 6GB RAM, 256GB 8GB RAM with Qualcomm SM6225 Snapdragon 685 (6 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

Honor 400 Smart 4G 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 Honor 400 Smart 4G?

The Honor 400 Smart 4G 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 Honor 400 Smart 4G support custom recovery (TWRP)?

Many Honor 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 Honor 400 Smart 4G void warranty?

Yes, rooting the Honor 400 Smart 4G will void the manufacturer warranty. However, you can unroot using the stock firmware to potentially restore warranty coverage.

What Android version does Honor 400 Smart 4G run?

Check the specifications section above for the current OS version and upgrade history of your Honor 400 Smart 4G.