SafeRooting
Archos 55 Cobalt Plus
Archos

Archos 55 Cobalt Plus

Released: 2016, January. Released 2016, MarchStatus: Discontinued

Root Support Available

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

Full Specifications

OSAndroid 5.1.1 (Lollipop)
CPUQuad-core 1.0 GHz Cortex-A53
GPUMali-T720MP2
NFCNo
SIMDual SIM (Micro-SIM, dual stand-by)
USBmicroUSB 2.0
Size5.5 inches, 83.4 cm, 2, (~71.0% screen-to-body ratio)
TypeIPS LCD
WLANWi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspot
BrandArchos
ModelArchos 55 Cobalt Plus
RadioStereo FM radio, RDS, recording
SpeedHSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
VideoN/A
ColorsBlue/Gray
SAR EU0.25 W/kg (head) 1.28 W/kg (body)
Single2 MP
StatusDiscontinued
Weight130 g (4.59 oz)
ChipsetMediatek MT6735P (28 nm)
SensorsAccelerometer, gyro, proximity
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 900 / 2100
4G bands1, 7, 9, 20
FeaturesLED flash, HDR, panorama
Internal16GB 2GB RAM
Released2016, January. Released 2016, March
Stand-byUp to 450 h
Announced2016, January. Released 2016, March
Bluetooth4.0, A2DP
Card slotmicroSDXC
Talk timeUp to 27 h
3.5mm jackYes
Dimensions152.5 x 77 x 8.3 mm (6.00 x 3.03 x 0.33 in)
Resolution720 x 1280 pixels, 16:9 ratio (~267 ppi density)
TechnologyGSM / HSPA / LTE
LoudspeakerYes
PositioningGPS

Archos 55 Cobalt Plus Overview

About Archos 55 Cobalt Plus Archos 55 Cobalt Plus is a discontinued device from Archos's popular line of first class Android phones, released in the 2016. Archos 55 Cobalt Plus has a wide variety of great specifications such as 16GB 2GB RAM with Mediatek MT6735P (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 55 Cobalt Plus 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 55 Cobalt Plus?

The Archos 55 Cobalt Plus 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 55 Cobalt Plus 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 55 Cobalt Plus void warranty?

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

What Android version does Archos 55 Cobalt Plus run?

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