Howto/20161028 Enable LTE for Nexus 4 running 5.1.1

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Motivation

1. To enable LTE speeds on my Nexus 4 running 5.1.1 which is deactivated by default

Source material

• https://www.reddit.com/r/nexus4/comments/3389dg/lte_for_nexus_4_running_51/

My setup

• A Nexus 4 running 5.1.1 with a default (locked) bootloader
• Using a computer running Ubuntu 14.04

The Steps

1) Obtain necessary files (note local copies may be outdated).

• custom recovery e.g. twrp: File:Twrp-3.0.2-0-mako.img
• SuperSu: File:UPDATE-SuperSU-v2.78-20160905010000.zip
• LTE hybrid modem: File:LTE Hybrid 1.02 + 0.33.zip
• optional: latest Android factory image https://developers.google.com/android/images

2) Prepare computer

sudo apt-get update && sudo apt-get install android-tools-fsutils android-tools-adbd android-tools-adb android-tools-fastboot

3) In fastboot mode (reached by powering off then holding vol down and power button)

• unlock bootloader
• optional: flash latest firmware
• flash custom recovery e.g. twrp

4) In custom recovery e.g. twrp

• flash SuperSu to get root
• flash LTE modem

5) Boot phone, install Nexus 4 LTE Modem Flasher app in Play Store

• https://play.google.com/store/apps/details?id=me.bpear.makomodem&hl=en

6) In Nexus 4 LTE Modem Flasher app

• go to build.prop tab, enable LTE and apply
• go to phone information in menu, Set preferred network type to LTE/GSM auto (PRL)

7) Add new lte apn, if needed

• For fido LTE:
  • apn: ltemobile.apn
  • MMSC: http://mms.fido.ca
  • MMS Proxy: 205.151.11.13
  • MMS Port: 80