How To Download & Flash Modems on Galaxy Note 4 (Radio & Baseband)

If you are experiencing mobile signal problems with your Samsung Galaxy Note 4, then you might consider downloading and installing another modem on the phone. The Galaxy Note 4 is the latest device from Samsung. It is big, fast and has a ton of features pleasing everyone, including normal and business users.

If you are a business user, you know how important it is to have good phone with excellent and strong mobile signal. If the signal is not strong enough, phone calls are distorted, the person on the other line can be hardly heard and the internet speed is slow. This is not something that you want, especially if you make a lot of phone calls or connect to the internet using mobile data.

Samsung has made sure to give the best experience with the Galaxy Note 4. However, nothing is perfect. And mobile signal is certainly not the strongest point of the device, especially conserving that it is has aluminum bezels.

If you are one of those users who are expecting issues with mobile or carrier signal, you will be happy to hear that it can be easily fixed by installing a modem. On Android devices, a modem is a driver that controls mobile signal (receiving and sending data) as well as switching from GPRS, 3G, HSDPA and 4G LTE. If you are having weak signal on your Galaxy Note 4, the modem is to blame.

Samsung installs different modems on its devices, depending on where they will be sold so they can work better. But your Galaxy Note 4 might have a modem that works better on another country compared to where you live. To enhance and make the signal stronger, you have to flash another modem.

How To Flash Modem on Galaxy Note 4 Using Odin

Please note that finding the best modem for your phone is not en easy thing to do. You have to install different modems and stay with the one that gives you the best results.


Samsung Galaxy Note 4 Modems (Radio & Baseband)
Odin3 v3.09
Galaxy Note 4 USB Drivers


Step 1: Download Odin and extract the zip file to get a file called “Odin3 v3.09”. Also download the modem of your preference from the link above.

Step 2: Launch Odin flashing tool. Take your Galaxy Note 4 and enable USB Debugging from the settings menu and connect it to your PC.

Step 3: Turn the phone off and go to download mode. The ID:COM box will turn blue. This means that the phone can communicate with the computer.

Step  4: On Odin, click CP (Phone) and select the modem you have previously downloaded and click install.

Wait for the tool to flash the new radio. Will the right file, signal will be much stronger.


  1. Hello Ronaldo,

    I have unlocked Tmobile Note 4 imported in India. We do not have Tmobile here… I tried various custom ROMs after rooting the phone but not getting any signal… If I try to flash any Indian modem through odin it fails with message Secure Check failed: APNHLOS

    I would appreciate if you can help me out with this… thanks


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