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This paper is for educational purposes only. Modifying device firmware may be illegal in certain jurisdictions and will void your warranty.
✅ :
Interrupting the flash process or using incompatible firmware (e.g., firmware for a B311-220 on a B311-221) can lead to a "brick," rendering the device permanently unusable.
Your Facebook profile picture is more than just a photo — it’s your first impression.
Whether you’re networking, running a business, or just keeping in touch with friends, your profile image shows up everywhere: in comments, Messenger, Groups, search results, and friend suggestions.
But here’s the problem: Facebook crops and resizes profile pictures in different ways across devices. What looks great in your upload might look awkward on mobile or get cut off in a circle crop.
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This paper is for educational purposes only. Modifying device firmware may be illegal in certain jurisdictions and will void your warranty.
✅ :
Interrupting the flash process or using incompatible firmware (e.g., firmware for a B311-220 on a B311-221) can lead to a "brick," rendering the device permanently unusable.
