SafeRooting
LG U400
LG

LG U400

Released: 2006, JulyStatus: Discontinued

Guide Coming Soon

We are preparing a verified guide. Contact support before attempting advanced flashing steps.

Full Specifications

SIMMini-SIM
USBProprietary
JavaYes, MIDP 2.0
Size2.0 inches, 12.4 cm, 2, (~25.9% screen-to-body ratio)
TypeTFT, 256K colors
WLANNo
BrandLG
GamesYes
ModelLG U400
RadioNo
SpeedYes, 384 kbps
VideoN/A
ColorsBlack, Silver
SingleVGA videocall camera
StatusDiscontinued
Weight114 g (4.02 oz)
BrowserWAP 2.0/xHTML
SensorsN/A
2G bandsGSM 900 / 1800 / 1900
3G bandsUMTS 2100
Released2006, July
Announced2006, July
Bluetooth2.0, A2DP
Card slotmicroSD (dedicated slot)
MessagingSMS, EMS, MMS, Email
PhonebookYes, Photocall
3.5mm jackNo
Dimensions99.8 x 48 x 20.4 mm (3.93 x 1.89 x 0.80 in)
Resolution240 x 320 pixels, 4:3 ratio (~200 ppi density)
TechnologyGSM / UMTS
Alert typesVibration; Downloadable polyphonic ringtones
LoudspeakerYes
PositioningNo
Call records40 dialed, 40 received, 40 missed calls

LG U400 Overview

About LG U400 LG U400 is a discontinued device from LG's popular line of first class Android phones, released in the 2006. LG U400 has a wide variety of great specifications such as , 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

A verified root guide for LG U400 is not yet published. Avoid flashing files from unrelated device variants.

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 LG U400?

The LG U400 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 LG U400 support custom recovery (TWRP)?

Many LG 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 LG U400 void warranty?

Yes, rooting the LG U400 will void the manufacturer warranty. However, you can unroot using the stock firmware to potentially restore warranty coverage.

What Android version does LG U400 run?

Check the specifications section above for the current OS version and upgrade history of your LG U400.