What is the reason to not allow smartphones and laptops in checked baggage?

What is the reason to not allow smartphones and laptops in checked baggage? - Two Women Sitting in Chairs Using Laptop Computers

In Krabi, Thailand I was checking in baggage and there was a sign saying that e.g. smartphones, laptops (but also handbags) are not allowed in checked baggage. I had to put my (broken) smartphone into my backpack that was my hand luggage.

What is the rationale behind it? Do they think that bombs are less dangerous in the cabin after all? This contradicts what I have learned so far.

The airline is Thai Lion and this is a domestic flight to Bangkok.






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What is the reason to not allow smartphones and laptops in checked baggage? - Coworkers in a Meeting





6 THINGS NOT TO PACK IN YOUR CHECKED BAGGAGE




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