The Challenge of Dark Mode in Samsung: QR Code Issues with eSIM Transfers

Jignesh Pankhania
3 min readMay 3, 2024

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Title: The Challenge of Dark Mode in Samsung: QR Code Issues with eSIM Transfers

Invisible QR code when the dark mode is on(while transferring e-sim to the phone)

Introduction
In recent years, dark mode has become a coveted feature across various digital platforms, including operating systems and applications. The sleek and energy-saving aesthetics of dark mode have attracted millions of users worldwide. However, implementing dark mode can sometimes lead to unforeseen issues and challenges. One such challenge confronted by Samsung users is the inability to display QR codes while transferring eSIM using dark mode. In this blog post, we will delve into this issue, explore potential causes, and provide workarounds for Samsung users.

Understanding eSIM
Before we delve into the dark mode issue, let’s briefly understand eSIM technology. eSIM, short for embedded SIM, is an integrated SIM card that eliminates the need for a physical SIM card. It enables users to switch networks without physically changing SIM cards and offers added convenience for travelers or individuals with multiple SIM cards.

The Dark Mode Conundrum
Dark mode revolutionized the way we interact with digital interfaces. It enhances readability, reduces eye strain, and even saves battery life on devices with OLED or AMOLED screens. However, due to its visual nature, dark mode can sometimes clash with certain design elements, including QR codes.

eSIM QR Code Challenge
Samsung users have reported an issue with eSIM transfers while operating in dark mode. When attempting to transfer eSIM using the QR code scanning method, the QR code fails to display clearly. This occurrence poses an inconvenience for users who rely on eSIM functionality.

Potential Causes
The problem of QR codes not displaying properly in Samsung’s dark mode during eSIM transfers might stem from various factors. One possibility is that the contrast levels in dark mode make it challenging for the device’s camera to scan the QR code accurately. Additionally, the color inversion applied in dark mode may interfere with QR code recognition algorithms, leading to scanning failures.

Workarounds and Solutions
While Samsung works on addressing this issue, users can employ a few workarounds to overcome the problem:

  1. Switch to Light Mode: Temporarily switch to light mode before initiating the eSIM transfer process. This will ensure better visibility and increased scanning accuracy for the QR code.
  2. Increase Brightness: If you’re determined to use dark mode, try increasing the screen brightness during the QR code scanning process. This might improve visibility and make it easier for the camera to capture the code accurately.
  3. Copy Paste Code: Instead of scanning the QR code directly, copy and paste the code into the designated field. This method bypasses the need for scanning, ensuring an error-free transfer.

Conclusion
While dark mode has truly revolutionized our digital experiences, it’s important to acknowledge the occasional glitches that can arise. Samsung users encountering difficulties with eSIM transfers and QR codes in dark mode now have a better understanding of the issue. By employing temporary workarounds such as switching to light mode or increasing brightness, users can continue to enjoy the benefits of dark mode while ensuring the smooth functioning of eSIM capabilities. As technology evolves, we can expect Samsung and other manufacturers to address and resolve these challenges to provide seamless and flawless experiences across all modes and functionalities.

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