It's most likely no longer supported by Google due to the Android version being too old.
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It's most likely no longer supported by Google due to the Android version being too old. You could try rooting the device and installing alternative ROM with newer Android version, but be aware that it's not without risks and as this phone is very old, newer versions might not work properly.
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This [link|https://www.ifixit.com/Guide/How+to+install+a+different+operating+system+on+an+Android+Phone/155962|iFixit guide|new_window=true] should give you some pointers to installing alternative ROMs to Android phones.