False (and dangerous). You cannot flash firmware from a DS 126 741 to a DS 126 744 (Rebel T100). Doing so will brick your camera. Each DS code has a unique bootloader and hardware signature.
If you travel internationally, airport security or customs officials may ask to see the certification labels on your electronic devices. The label showing DS 126 741 proves that your camera meets the RF emission standards for Wi-Fi use in that country. Forgetting this label on your camera could, in theory, lead to your device being confiscated at security checkpoints in countries with strict electronics import laws (like India or South Africa). canon ds 126 741
From repair forums:
When you visit Canon’s support website, entering "Rebel T7" may show you different results for North America vs. Europe. However, if you search for "DS126741" (without spaces), you will be directed to the correct firmware page. As of 2025, the latest firmware for this code is version 1.1.0, which fixes bugs related to Wi-Fi connectivity and SD card recognition. False (and dangerous)
No. Because the entry-level market is flooded with counterfeit "white box" cameras, many buyers panic when they see an unfamiliar number. The DS 126 741 is 100% authentic Canon hardware. Counterfeit cameras usually lack any FCC or DS identifier. If you travel internationally, airport security or customs
