Sd card problem-help me

Dec 16, 2018
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I have a pentax A20 digital camera. I previously worked it with a 2gb sd card and it worked perfectly. Recently, I purchased a new 32gb card. The camera saves the photos normally but it recognizes it as 4gb card and it uses it as 4 as well. It overcomes the limit(in the owners manual, it is said that it can work with SD and SDHC without saying the maximum capacity) or there is another problem?
Your help is appreciated.