SafeRooting
O2 Cosmo
O2 XDA

O2 Cosmo

Released: 2006, SeptemberStatus: Discontinued

Root Support Available

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

Full Specifications

OSMicrosoft Windows Mobile 5.0 Smartphone
CPU200 MHz ARM926EJ-S
SIMMini-SIM
USBminiUSB
EDGEClass 10
GPRSClass 10
Size2.4 inches, 50 x 37 mm, 17.8 cm, 2, (~25.9% screen-to-body ratio)
TypeTFT, 65K colors
WLANWi-Fi 802.11b
BrandO2 XDA
ModelO2 Cosmo
RadioNo
VideoYes
ColorsN/A
Single1.3 MP
StatusDiscontinued
Weight130 g (4.59 oz)
BrowserWAP 2.0/xHTML, HTML (PocketIE)
ChipsetTI OMAP 850
SensorsN/A
2G bandsGSM 850 / 900 / 1800 / 1900
Internal64MB RAM, 128MB ROM
KeyboardQWERTY
Released2006, September
Stand-byUp to 200 h
Announced2006, September
Bluetooth2.0
Card slotmicroSD (dedicated slot)
Talk timeUp to 4 h
3.5mm jackNo
Dimensions111 x 62 x 13 mm (4.37 x 2.44 x 0.51 in)
Resolution240 x 320 pixels, 4:3 ratio (~167 ppi density)
TechnologyGSM
Alert typesVibration; Downloadable polyphonic, MP3 ringtones, composer
LoudspeakerYes
PositioningNo
Infrared portYes

O2 Cosmo Overview

About O2 Cosmo O2 Cosmo is a discontinued device from O2 XDA's popular line of first class Android phones, released in the 2006. O2 Cosmo has a wide variety of great specifications such as 64MB RAM, 128MB ROM with TI OMAP 850 , 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

O2 Cosmo 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 O2 Cosmo?

The O2 Cosmo 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 O2 Cosmo support custom recovery (TWRP)?

Many O2 XDA 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 O2 Cosmo void warranty?

Yes, rooting the O2 Cosmo will void the manufacturer warranty. However, you can unroot using the stock firmware to potentially restore warranty coverage.

What Android version does O2 Cosmo run?

Check the specifications section above for the current OS version and upgrade history of your O2 Cosmo.