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[Q] Firmware Customization

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LeParkour012
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Default [Q] Firmware Customization

So a few weeks back, I've sent my Xperia Z1 for repair. Now after 4 1/2 weeks, it returned to me. However I noticed something weird. My phone had a scratch on the front. However the "repaired" phone didn't have any scratch. I just assume that they replaced the shatter-proof sheet. But I decided to check the Customization number. I've bookmarked my old Customization number using this website. Here's what I found when I compared both.

Customization number (Before and after repair)

Noticed how the're both different. So I checked this thread and I found this.

Customization number

My question is. Does this mean that that's not my original phone and it has been swapped? Are they allowed to swap phones without telling me? I mean they took 4 1/2 months to "repair" it and when I got it back, I found videos that can be found on display phones. So yeah. I think I got a display phone.
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olokos
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Possible, but changing customization is as easy as flashing an FTF.

Of course.

If you dig deep enough your phone filesystem then you'll find those demo videos on every single Z1. Don't worry
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