Denying OTA Because It Is A SPL Downgrade: Figuring out how to do ROM flashing can sometimes lead to problems you didn’t expect. This mistake “Denying OTA because it is an SPL downgrade” is one of them. This detailed guide will go into great detail about the reasons behind this problem and offer good ways to fix it.
Unraveling the Error
Table of Contents
When flashing a ROM, problems can happen if the version of important partition files is different from the base ROM. This happens a lot when coders say to use certain files from the original ROM. If these files aren’t kept up to date, errors like the one we’re talking about can show up.
The Error Message
The error message typically appears as follows:
E: Current SPL: <new_date> Target SPL: <old_date>
E: Denying OTA because it's a SPL downgradeFix: Denying OTA Because It Is A SPL Downgrade
FIX 1: Closest to the Date!
- Identify ROM Version:
- Determine the version of your custom ROM, especially focusing on the build date and associated details.
- Search for Older Partition Files:
- Look for an older version of the partition files that align with your ROM. Search online forums, ROM developer websites, or repositories for these files.
- Opt for the Closest Date:
- If an exact match is unavailable, choose partition files from the closest date. Ensure that the files are compatible with your ROM version.
- Consider Similar Builds:
- In case your ROM is based on a specific distribution like LineageOS and lacks a build for a particular month, consider using partition files from the closest available date. For example, if the October build is missing, files from the first week of November November work.
- Check Compatibility:
- Before applying the partition files, ensure compatibility by checking forums or documentation associated with your custom ROM. Look for any specific instructions or recommendations from the ROM developer.
- Backup:
- Always back up your current partition files or create a full system backup before attempting to replace or modify any files. This ensures that you can revert to the previous state if issues arise.
- Apply Changes:
- Replace the existing partition files with the older version you’ve selected. Follow any instructions provided by the ROM developer or community for this process.
- Test the System:
- After applying the changes, thoroughly test your system to ensure that the compatibility issues have been resolved.
FIX 2: Find the Latest ROM
- Identify the Downgrade Error:
- Understand the specific downgrade error you are facing with your custom ROM.
- Contact the ROM Developer:
- Reach out to the developer or community associated with your custom ROM. This November involve visiting forums, official websites, or communication channels where the developer is active.
- Provide Details:
- Clearly communicate the downgrade error you’re experiencing. Include details such as the ROM version, the error message, and any steps you’ve taken to address the issue.
- Request an Update:
- Politely request an update to the latest version of the ROM that aligns with your device. Explain the importance of resolving the downgrade error and any security enhancements or bug fixes that November be present in the latest release.
- Highlight Stability Improvements:
- Emphasize the benefits of upgrading to the latest version in terms of device stability, security, and performance. This can serve as an incentive for the developer to prioritize your request.
- Follow Developer’s Recommendations:
- If the developer provides specific instructions or recommendations to address the downgrade error, follow them diligently. This November involve certain steps or prerequisites to ensure a smooth update process.
- Participate in the Community:
- Engage with the ROM’s community and forums. Sometimes, the developer November provide updates or insights into addressing specific issues. Collaborating with other users can also be helpful.
- Be Patient:
- Understand that developers often work on improving and updating ROMs voluntarily. Be patient and allow them the time needed to address your request.
FIX 3: All Partition Files of Same Date
- Identify Partition Files:
- Identify the key partition files, such as boot and vendor_boot, that are relevant to your custom ROM.
- Check Release Dates:
- Examine the release dates of each partition file. This information is typically available on the website or forum where you obtained the custom ROM.
- Ensure Matching Dates:
- Verify that all partition files, especially boot and vendor_boot, have the same release date. Mismatched dates can trigger downgrade errors during the ROM flashing process.
- Download Matching Files:
- If you discover any mismatched dates, download the correct versions that share the same release date. Obtain these files from reliable sources associated with your custom ROM.
- Backup Existing Files:
- Before replacing any files, create backups of the existing partition files. This ensures that you can revert to the previous state if needed.
- Replace with Synchronized Files:
- Replace the existing partition files with the newly downloaded files that share the same release date. This November involve copying and pasting the files into the appropriate directories.
- Verify Changes:
- Double-check that all partition files now have synchronized release dates. Confirm that boot, vendor_boot, and other critical partitions are aligned.
- Proceed with ROM Flashing:
- After ensuring that all partition files have matching dates, proceed with the custom ROM flashing process. This synchronization minimizes the risk of downgrade errors.
Related:
Finally, it’s usual to get the “Denying OTA because it is an SPL downgrade” error when flashing a ROM. You can handle this problem well if you follow the answers given. It’s important to try out each fix to find the one that works best for you.