Recovery error with SDcard

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Tomoms

Senior Member
Feb 15, 2014
3,042
7,046
OnePlus One
Essential Phone
Hi everybody!
Yesterday I wanted to flash a rom via recovery but the flashing got stuck at "opening update package" and then CWM said: error opening rom.zip (bad).
So I did a quick search in the web and I've read that my sd card should be formatted in fat32. My sd card was formatted in exfat and it was partitioned so that could have been the problem. So I formatted it in fat32 (only 1 partition) and everything worked again.
What was the problem? Exfat filesystem or partitioned SD card?
Thank you!
 

mrjraider

Senior Member
Jul 1, 2012
4,402
2,247
No the error you have can also indicate a corrupt zip file. No need to perform alot of hard things just redownload the rom and try again :)