SafeRooting
Microsoft Lumia 640 LTE Dual SIM
Microsoft

Microsoft Lumia 640 LTE Dual SIM

Released: 2015, March. Released 2015, AprilPrice: About 150 EURStatus: Discontinued

Root Support Available

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

Full Specifications

OSMicrosoft Windows Phone 8.1, upgradable to Microsoft Windows 10
CPUQuad-core 1.2 GHz Cortex-A7
GPUAdreno 305
NFCYes
SIMDual SIM (Micro-SIM, dual stand-by)
USBmicroUSB 2.0
Size5.0 inches, 68.9 cm, 2, (~67.6% screen-to-body ratio)
TypeIPS LCD
WLANWi-Fi 802.11 b/g/n, DLNA, hotspot
BrandMicrosoft
ModelMicrosoft Lumia 640 LTE Dual SIM
PriceAbout 150 EUR
RadioFM radio
SpeedHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Video720p
ColorsGlossy cyan, Orange, White, Matte black
Single1 MP
StatusDiscontinued
Weight145 g (5.11 oz)
ChipsetQualcomm MSM8926 Snapdragon 400 (28 nm)
DisplayContrast ratio: 1034 (nominal), 2.563 (sunlight)
SensorsAccelerometer, proximity, compass
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 850 / 900 / 1700 / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40
FeaturesLED flash
Internal8GB 1GB RAM
Released2015, March. Released 2015, April
Stand-byUp to 864 h (2G) / Up to 864 h (3G)
Announced2015, March. Released 2015, April
Bluetooth4.0, A2DP
Card slotmicroSDXC (dedicated slot)
Talk timeUp to 26 h 30 min (2G) / Up to 17 h 30 min (3G)
3.5mm jackYes
Dimensions141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
ProtectionCorning Gorilla Glass 3
Resolution720 x 1280 pixels, 16:9 ratio (~294 ppi density)
TechnologyGSM / HSPA / LTE
LoudspeakerVoice 70dB / Noise 65dB / Ring 75dB
PositioningGPS, GLONASS, BDS
Audio qualityNoise -93.1dB / Crosstalk -93.2dB
Battery (old)Endurance rating 76h

Microsoft Lumia 640 LTE Dual SIM Overview

About Microsoft Lumia 640 LTE Dual SIM Microsoft Lumia 640 LTE Dual SIM is a discontinued device from Microsoft's popular line of first class Android phones, released in the 2015. Microsoft Lumia 640 LTE Dual SIM has a wide variety of great specifications such as 8GB 1GB RAM with Qualcomm MSM8926 Snapdragon 400 (28 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

Microsoft Lumia 640 LTE Dual SIM 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 Microsoft Lumia 640 LTE Dual SIM?

The Microsoft Lumia 640 LTE Dual SIM 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 Microsoft Lumia 640 LTE Dual SIM support custom recovery (TWRP)?

Many Microsoft 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 Microsoft Lumia 640 LTE Dual SIM void warranty?

Yes, rooting the Microsoft Lumia 640 LTE Dual SIM will void the manufacturer warranty. However, you can unroot using the stock firmware to potentially restore warranty coverage.

What Android version does Microsoft Lumia 640 LTE Dual SIM run?

Check the specifications section above for the current OS version and upgrade history of your Microsoft Lumia 640 LTE Dual SIM.