SafeRooting
Archos 55b Cobalt
Archos

Archos 55b Cobalt

Released: 2017, January. Released 2017, JanuaryStatus: Discontinued

Root Support Available

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

Full Specifications

OSAndroid 6.0 (Marshmallow)
CPUQuad-core 1.1 GHz
GPUAdreno 304
NFCNo
SIMDual SIM (Mini-SIM, dual stand-by)
USBmicroUSB 2.0
Size5.5 inches, 83.4 cm, 2, (~68.1% screen-to-body ratio)
TypeIPS LCD
WLANWi-Fi 802.11 b/g/n, Wi-Fi Direct
BrandArchos
ModelArchos 55b Cobalt
RadioFM radio
SpeedHSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
VideoN/A
ColorsGray
SAR EU0.98 W/kg (head) 1.76 W/kg (body)
Single2 MP
StatusDiscontinued
Weight188 g (6.63 oz)
ChipsetQualcomm MSM8909 Snapdragon 210 (28 nm)
SensorsFingerprint (rear-mounted), accelerometer, proximity
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 900 / 2100
4G bandsLTE 800 / 1800 / 2100 / 2600
FeaturesLED flash, HDR, panorama
Internal16GB 1GB RAM, 32GB 2GB RAM
Released2017, January. Released 2017, January
Announced2017, January. Released 2017, January
Bluetooth4.0, A2DP
Card slotmicroSDXC
3.5mm jackYes
Dimensions155 x 79 x 0 mm (6.10 x 3.11 x 0.0 in)
Resolution720 x 1280 pixels, 16:9 ratio (~267 ppi density)
TechnologyGSM / HSPA / LTE
LoudspeakerYes
PositioningGPS

Archos 55b Cobalt Overview

About Archos 55b Cobalt Archos 55b Cobalt is a discontinued device from Archos's popular line of first class Android phones, released in the 2017. Archos 55b Cobalt has a wide variety of great specifications such as 16GB 1GB RAM, 32GB 2GB RAM with Qualcomm MSM8909 Snapdragon 210 (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

Archos 55b Cobalt 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 Archos 55b Cobalt?

The Archos 55b Cobalt 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 Archos 55b Cobalt support custom recovery (TWRP)?

Many Archos 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 Archos 55b Cobalt void warranty?

Yes, rooting the Archos 55b Cobalt will void the manufacturer warranty. However, you can unroot using the stock firmware to potentially restore warranty coverage.

What Android version does Archos 55b Cobalt run?

Check the specifications section above for the current OS version and upgrade history of your Archos 55b Cobalt.