Answered question
two weeks ago, my phone lost fizz signal sometimes, specially when it indoor, the phone almost always lost connection. but before it works good.
This is Fizz stabilization period. It should improve once the period is over.
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Other answers
It’s normal that the signal will be affected in some places by natural and artificial obstacles.
Artificial obstacles may include:
.
Concrete
Steel
Aluminum
.
Natural obstacles may Incluse:
.
Mountains
Valleys
Forest
.
https://fizz.ca/en/faq/what-can-i-do-if-mobile-network-co...
For some reason I saw that my phone signal is a little bit weaker
does your signal is back to normal now or it is still weak?
It may happen to get a low signal some days, depending on a lot of factors and the location you are at that moment or it could be a cell phone problem, especially if the phone is old due to intensive usage.
Hopefully for you it is back to normal now.
OK. as fizzy said, i will waiting till this period past.