How to Unbrick Samsung Galaxy Z Flip 4 and Z Fold 4

Samsung Galaxy Z Flip 4 and Galaxy Z Fold 4 are the latest foldable phones from the South Korean giant. The smartphones come with significant improvements over its predecessor. Both devices ship with Android 12-based One UI 4.1.1 skin. Being premium phones, you do not want the Galaxy Z Flip 4 and Galaxy Z Fold 4 to run into problems. But, due to some unfortunate events, the devices might end up in a bricked state. In this post, I’ll explain how to unbrick your Samsung Galaxy Z Fip 4 and Galaxy Z Fold 4.

How to unbrick Samsung Galaxy Z Flip 4, Z Fold 4

Samsung Galaxy Z Flip 4, Z Fold 4: Device Overview

The Galaxy Z Fold 4 flaunts a 6.2-inch cover display with a 120Hz refresh rate and Gorilla Glass Victus+ protection. In an unfolded mode, you enjoy a 7.6-inch bright AMOLED screen with support for HDR10+ and a 120Hz refresh rate. The device is powered by a 4nm-based Snapdragon 8+ Gen 1 chipset, coupled with up to 12GB RAM and 1TB of inbuilt storage.

In terms of optics, the Galaxy Z Fold 4 boasts a triple camera setup on the back. It includes a 50MP primary sensor with OIS, a 10MP telephoto lens with OIS and 3x optical zoom, and a 12MP ultrawide lens with a 123-degree field-of-view. It has a 4MP selfie camera, while the cover display features a 10MP sensor. The device packs a 4,400mAh battery with 25W fast charging and 15W wireless charging support.

On the other hand, Samsung Galaxy Z Flip 4 features a 1.9-inch cover display and a 6.7-inch main display with a 120Hz refresh rate and 1200nits peak brightness. It has the same chipset – the Snapdragon 8+ Gen 1 SoC. The Galaxy Z Flip 4 has dual 12MP sensors on the back and a 10MP sensor for selfies (when unfolded). You can use the primary camera to take selfies using the cover display. A 3,700mAh battery backs the device.

How to Unbrick Your Samsung Galaxy Z Flip 4 and Z Fold 4

If your Samsung Galaxy Z Fold 4 or Galaxy Z Flip 4 has bricked or is facing severe software issues, this guide will walk you through detailed steps to fix them. Make sure to follow all the requirements and steps in the same order.

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To unbrick a Samsung phone, you’ll require to flash the firmware on your device. Before I tell you the steps, please go through the prerequisites that are mentioned below and make sure to follow all of them.

Pre-Requisites

  • Charge Your Phone: You need to keep your Samsung phone charged by at least 50% to avoid scenarios where the device switches off during the firmware flashing. If it happens, your device could face more issues.
  • Download Samsung USB Drivers: Make sure that your computer has the latest Samsung USB drivers, which helps in creating a strong communication bridge between the connected Samsung device and the PC. These drivers also ensure that your Samsung phone is easily recognized by the PC when connected via a USB cable.
  • Download Samsung ODIN: It’s the official flashing tool by Samsung developers, which you need to have on your computer to flash the firmware. Here’s our guide on downloading and installing the latest Samsung ODIN flash tool on a PC.
  • Download Required Firmware File: You need to download the stock firmware file on your computer, which we’ll be flashing going further to recover your Samsung phone from a bricked state.

[Note: Before your download, the firmware file, make sure to check the model number. The model number of the firmware file should match your Samsung device’s model number.]

Firmware Flashing Instructions:

  1. Extract the contents of the firmware file.
  2. Launch the ODIN application on your computer.
  3. Load the firmware files in their respective sections.
  4. Connect your phone to the computer via a USB cable. Now, boot your Samsung phone to the Download Mode. To enter into this mode, switch off the device and keep pressing the volume up and volume down buttons together. Your device should boot to the Download Mode.
  5. Once your phone is connected, the CO port on Odin will light up.
  6. Now, click the Start button to begin the firmware installed on your Samsung phone.
  7. Once the firmware is installed, you’ll see a PASS message on the screen.
  8. Reboot your phone to the system.

Congratulations! you have successfully unbricked your Samsung phone.

Final Words

It is frustrating when the phones get into a bricked state. We never want it to happen on our phones, at least not on premium devices like the Samsung Galaxy Z Fold 4 and Galaxy Z Flip 4. The good thing is that you can easily recover your phone by flashing the firmware. Did you encounter any issues while flashing the firmware? Drop your message in the comments below and we’ll try to respond to you as soon as possible.

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