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The Berry glitch (Japanese: きのみ問題 Berry problem) is a glitch only found in early versions of Pokémon Ruby and Sapphire which affects the game's internal calendar. The name of the glitch comes from the fact that the first thing a player will usually notice is that all Berries that have been planted have ceased growing. The glitch occurs 366 days after the game is first started, or 366 days after the internal battery is replaced, and causes all calendar-based events to be delayed by 366 days. After the glitch was officially acknowledged by Nintendo and The Pokémon Company, they provided several methods to mitigate the effects of the glitch, and incorporated a permanent fix into later production runs of the game.
The game cartridge contains a real-time clock (RTC) which keeps track of the year, month, day, hour, minute, second, and day of the week. When the RTC is first turned on, its date is set to January 1, 2000. Because the game has no need for an actual calendar system, it converts the RTC's year, month, and day data into a single "day number". The conversion function has a flaw, however: it will only count years (adding 365 or 366 days for each year or leap year) starting from 2001. So, while the RTC clock is reporting the year as 2000 or 2001, in both cases, the conversion equates this to "add 0 days to the day number". This means that, for the first 366 days the RTC runs (starting from January 1, 2000), the game's day number will count from 1 to 366 normally, but when the RTC clock reports January 1, 2001, the game's day number will start from 1 again.
If, for example, a Sitrus Berry was planted on December 31, 2000 according to the RTC, which the game interprets as day 366, it will be scheduled to be fully grown on day 367. Due to the glitch, "day 367" will not happen until the RTC reaches January 2, 2002. The result is that the growth of the Berry appears to be frozen for 366 days. Other effects of this glitch include:
The glitch does not affect the evolution of Eevee into Espeon or Umbreon, or the tides in Shoal Cave, because these events are based only on the current time, not the day number.
Similar effects with a dead or replaced battery
When the game cartridge's CR1616 internal battery runs dry, the in-game clock will also stop, resulting in very similar symptoms to the above. However, cartridges that have a dead battery will display a message after the title screen warning of the dry battery and the fact that clock-based events will no longer occur. In contrast, games being affected by the Berry glitch will not display this message.
The only way to fix this issue is to replace the battery. It is also possible for a game with a dead battery to be affected by the Berry glitch, however, meaning replacing the battery will not fix time-based events. To further complicate matters, replacing the battery may also cause issues of its own, as explained below.
Cartridges that have had their battery replaced may also experience similar problems. When the supply of power from the battery is interrupted, the RTC is reset to January 1, 2000. As with the Berry glitch, this reset causes all scheduled calendar-based events to be frozen until the RTC reaches the expected value, which may take many years. This can be solved by starting a new game, or (with additional hardware) by altering the timestamp stored in the save file so it is lower than the RTC value, or by setting the RTC forward so it is greater than the save file timestamp.
Fixing the glitch
The glitch can be fixed with the Berry Program Update from Pokémon FireRed, LeafGreen, and Emerald, a patch from Pokémon Colosseum, Pokémon XD, Pokémon Channel, Pokémon Box Ruby & Sapphire, the e-Reader, or a specific interactive demo disc, as well as by sending the affected game to Nintendo.
If the Berry glitch has not yet begun, these programs will set the RTC forward by 366 days, which prevents the effects of the glitch. If the game is already affected by the Berry glitch, these programs will set the RTC forward to January 2, 2002, the date at which all effects of the glitch end. If the cartridge battery is replaced and a new game is started, the fix will need to be applied again.
Pokémon FireRed/LeafGreen/Emerald patch
- Main article: Berry Program Update
- Load FireRed, LeafGreen, or Emerald until the title screen is displayed.
- Press the Select and B buttons. After the new screen loads, press A.
- Insert the Link Cable so that the system that the FireRed, LeafGreen or Emerald game is connected to the Player 1 cable port and the Ruby or Sapphire game is connected to the Player 2 port. Once this is done, press A.
- Turn on the device with Ruby or Sapphire while holding the Start and Select buttons.
- Refer to the FireRed, LeafGreen or Emerald game display for further instructions. The patch should be transferred at this time.
Pokémon Colosseum and XD patch
Linking an affected game to Colosseum or Pokémon XD for trading or battling will automatically download the patch. In addition, the Bonus Disc that came with pre-orders of Colosseum can be used to download Jirachi into a game; when this happens, the patch is downloaded as well.
Pokémon Channel patch
Downloading Jirachi from a PAL version of Pokémon Channel will automatically download the patch.
Pokémon Box patch
Linking an affected game to Pokémon Box Ruby & Sapphire, accessing the Go To Adventure mode, and then saving the game whilst playing will also automatically fix this glitch, with the message "The Berry Program was updated" appearing with the save confirmation. (This option is not available for Japanese versions.)
+ cards containing the Berry Program Update, with explanation of the glitch from Nintendo and The Pokémon Company.
For Japanese versions, a special set of e-Reader+ cards (ID# 16-A001 & 16-A002) were distributed with Pokémon Scoop's Winter 2004 issue containing the Berry Program Update (Japanese: きのみ問題修理プログラム Berry Problem Repair Program).
Interactive demo patch
Specially-marked demo discs were released to select stores across U.S. and Japan, so players can visit these stores and download the patch from the disc. In addition, players will also receive a Shiny Zigzagoon holding a Liechi Berry as a bonus. However, since the demo disc program does not block fixed games, players can receive multiple Zigzagoon by downloading to the same cartridge again.
Sending cartridge to Nintendo
If the player had no opportunity to download the patch, the game could be sent to Nintendo to have it fixed. However, as of August 2012, Nintendo stopped offering to patch the Berry glitch.
- ↑ Pokemon Ruby/Sapphire New Battery Glitch at Furlock's Forest