The base game CIA is roughly 3.6 GB (approx. 29,500 blocks).
The 1.2 patch fixes a notorious crash during the Battle Tree and an exploit involving SOS battles. For Nuzlocke players, this stability is non-negotiable. pokemon ultra moon 1.2 cia
| Error | Likely Cause | Solution | | --- | --- | --- | | | Corrupt download or bad SD sector | Re-download from a trusted source; run h2testw on your SD. | | Game shows v1.0 after install | Update didn't apply; separate update CIA needed | Install the 1.2 update CIA (not just the base game). | | Black screen on launch | Missing seed or region mismatch | Use FBI → Import Seed; enable game patching in Luma. | | Error 002-0119 (online) | Banned console or bad local friend code seed | Wait out temporary ban or restore NAND backup. | | Save file corrupt after update | Save from an older emulator or cheat device | Restore a backup from Checkpoint or JKSM. | The base game CIA is roughly 3