For those of you who want to wifi tether on your Sprint Galaxy S4 SPH-L720 without paying Sprint twice for the same internet you already paid for, here’s how to do it easily and get around the dreaded “Hotspot Error” pop-up window.
Before we begin, you will need a rooted Sprint Galaxy S4 with CWM or TWRP recovery installed.
If you don’t have a rooted phones with CWM or TWRP, follow one of the following method first before trying this tutorial:
Step 1. Before we begin, make sure you have Build number L720VPUAMDC in “About Device”.
If so, download the following if you have a stock ROM:
If using custom ROM that’s de-odexed, you will need this one instead: (Most custom ROMs are de-odexed btw, very few are odex)
Step 2. Reboot into CWM or TWRP recovery and install the zip file you downloaded.
For CWM Recovery, use the “install from sdcard” option and for TWRP recovery, use the “Install” option.
What is a Custom ROM?
A custom ROM is a custom, modified operating system that you can install on your Android device. Basically it's like installing Windows OS on a Macbook. By installing a custom ROM, you can bypass stock factory settings like locked hotspot tether, install new Android versions early, or even convert your phone into another OS.
With a custom ROM, you can really maximize the capabilities of your smartphone by adding custom features that have been developed by open source developers.
How to Install Custom ROMs
First, you will need to root your device, if it is not rooted yet, follow our root tutorial and root your phone.
Once rooted, you should have TWRP installed on your phone. Installation of a custom ROM is easy if you learn the basic of it. If you don't know how to install custom ROMs using TWRP recovery, see our tutorial on How to Install Custom ROM using TWRP!