Follow along with the video below to see how to install our site as a web app on your home screen.
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Is your microSD card formatted as the typical default fat32? Maybe using your external adapter, mount it in your Windows PC, and copy everything off of it as a backup. Then either try to repair the card using Properties >> Tools >> Error Checking (or whatever is there depending on which version of Windows you have), or just reformat it.External & it doesn't matter if I delete files from Windows with the phone connected or using an external reader or if it's from the phone itself.