Tag Archives | s4

Fix No Sound/Calls on Sprint S4 – SPH-L720

After flashing many custom ROM’s that work, you may run into a no sound or calls problem after a normal flashing procedure (data wipe –> ROM/Gapps Flash). If this problem happens to you, you most likely have run into a baseband (radio), kernel, or bootloader incompatibility. Recently, I ran into this issue again after flashing […]

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3G/LTE Data Connection Fix – Sprint S4 – CyanogenMod

This post is how I fixed my 4G LTE signal intermittent dropping and broken/non-existent 3G connection on my Sprint Galaxy S4 phone while running CyanogenMod. Background I’ve been running CyanogenMod stable on my Sprint Galaxy S4 (jfltespr) since the day I got it. The version I stuck with was 10.1 (Android 4.2.2) because it had […]

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How to Unlock Sprint Galaxy S4 for Global SIM GSM

I recently traveled to Europe with my Sprint Galaxy S4 world phone. I planned on getting a pre-paid GSM SIM card to use for Google maps and navigation. It turned out great. At the airport, I found a “SIM Local” prepaid wireless shop and paid 20 euro (about $26 USD) for a Meteor SIM card […]

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