If your Nokia E5 vibrates once every 2 seconds with a blank screen, this is "deep sleep brick." You must use an RPKG top that includes dead_usb_load flags. Standard dead USB files won't work.
Symbian v9.3, S60 3rd Edition, Feature Pack 2. Models: Primarily RM-632 (Global) and RM-634 (Americas). nokia e5 rom rpkg top
When working with custom ROMs and RPKG files, it's essential to be aware of the risks involved, including: If your Nokia E5 vibrates once every 2
To install or modify an RPKG, you will need the following tools: S60 3rd Edition
Keep in mind that updating your device's firmware can potentially cause data loss, so be sure to back up your important data before proceeding.