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List of Mega Man Battle Network 4 upgrades

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List of Upgrades from MegaMan Battle Network 4 and their location

HP Memory

HP Memory increases a NetNavi's max HP (Hit Points). It increases a Navi's HP by 20. In each game there are 45 HP Memories (in total raise a Navi's HP by 900) giving MegaMan a base maximum of 1000 HP.

Locations

Area How to get Game
ACDC Area 2

Shop: 1000 zenny>> 3200 zenny

Any
Town Area 3

Shop: 2500 zenny>> 6000 zenny>> 10000 zenny

Any
Netopia Area Shop: 6000 zenny>> 10000 zenny>> 14000 zenny

Any

Undernet 1

Shop: 10000 zenny>> 15000 zenny>> 20000 zenny>>30000zenny

Any
Undernet 5

Shop: 30000 zenny>> 50000 zenny

#3
Town Area 1

Purple Mystery Data

#1
ElecTownComp 2

2 Blue Mystery Data

#1

Hot Dog Fryer

Blue Mystery Data #1
Park Area 2

Blue Mystery Data

#1

Castillo Robot 2

Blue Mystery Data #1

Castillo Robot 4

Blue Mystery Data #1

Castillo Melsquare Caravan

Blue Mystery Data #1

Netopia Area

Blue Mystery Data #1

Sharo Area

Blue Mystery Data #1

Sharo Satellite 2

Blue Mystery Data #1

Undernet 3

Blue Mystery Data #1

Undernet 4

Blue Mystery Data #1

MeteorComp 1

Blue Mystery Data #1

Electown Comp 2

Blue Mystery Data #2

Den Dome Vending Machine

Blue Mystery Data #2

Castillo Robot 3

Blue Mystery Data #2

Park Area 1

Blue Mystery Data #2

Sharo Area

Blue Mystery Data #2

Yumland Statue Comp

Blue Mystery Data #2

Undernet 1

Blue Mystery Data #2

Meteor Comp 3

Blue Mystery Data #2

Town Area3

Purple Mystery Data #3

Electown Comp 1

Blue Mystery Data #3

Park Area3

Purple Mystery Data #3

Castillo Robot 1

Blue Mystery Data #3

Netfrica Area

Blue Mystery Data #3

Undernet 4

Purple Mystery Data #3

Meteor Comp 2

Blue Mystery Data #3

Black Earth 1

Blue Mystery Data #3

Black Earth 2

Blue Mystery Data #3

Sub Chip Memory

Introduced alongside the concept of Sub Chips in MegaMan Battle Network 2, Sub Chip Memory increases the maximum number of Sub Chips one can carry.

Locations

Normal Difficulty:

Ticket Machine - Blue Mystery Data

Nupopo Statue - Blue Mystery Data 

Hard Difficulty:

Park NBM - Blue Mystery Data 

Super Hard Difficulty:

Sharo Area - Blue Mystery Data

Reg Upgrade Memory

Regular Upgrade (known as "Reg Up") increases the memory capacity for one's folder's regular chip. Each battle chip has a certain MB and if a folder has enough Regular Memory, this chip can be set to appear first in every battle.

Locations

Normal Difficulty:

Jomon Stereo - +1 - Blue Mystery Data 

Jomon Monitor - +2 - Blue Mystery Data 

ElecTower 1 - +2 - Blue Mystery Data 

Park Area 1 - +2 - Blue Mystery Data 

ToyRobo 1 - +1 - Blue Mystery Data 

ToyRobo 3 - +2 - Blue Mystery Data 

Dome Locker Room - +1 - Folded chairs 

NetFrica - +1 - Center Pyramid 

Lion Statue - +2 - Blue Mystery Data 

Antenna 1 - +1 - Blue Mystery Data

NAXA Lobby - +3 - Space Suit 

Undernet 1 - +1 - Blue Mystery Data 

Meteor 2 - +3 - Blue Mystery Data  

Hard Difficulty: 

ACDC Area 1 - +2 - Blue Mystery Data 

Town Area 1 - +1 - Blue Mystery Data 

Jomon Monitor - +1 - Blue Mystery Data 

ElecTower - +1 - Blue Mystery Data 

Park Area 1 - +2 - Blue Mystery Data 

ToyRobo 1 - +1 - Blue Mystery Data 

ToyRobo 4 - +2 - Blue Mystery Data 

Netopia Area - +1 - Blue Mystery Data 

Undernet 2 - +1 - Blue Mystery Data 

Ice Cream Stand - +1 - Blue Mystery Data 

Sharo Computer - +1 - Blue Mystery Data  

Super Hard Difficulty: 

ElecTower 2 - +2 - Purple Mystery Data 

ToyRobo 4 - +1 - Blue Mystery Data 

Yumland Area - +2 - Purple Mystery Data

Meteor 1 - +1 - Blue Mystery Data

Expansion Memory

Expansion Memory is collected to increase the map space of the Navi Customizer. Only 2 exist in the game

Locations

The first one is found on the statue in front of Netopia Coliseum, while the other one is in Undernet Area 2.

Program Modifiers 

Program Modifiers are key items that allow you to rotate Navi Customizer programs, using the L or R buttons in the Navi Customizer map space. This lets you place programs in a manner that allows more space within the map. There is one for each color programs come in, giving you a total of 6. Keep in mind upgrades missed carry over to the next play through. Items listed are when they are first available.

Locations

Normal Mode:

Spin Pink: Netopia- Colosseum net battle machine computer

Spin White: Yumland- Four buhdda Statue computer

Hard Mode:

Spin Green: Town Area 2- Purple Mystery Data

Spin Yellow: Netopia- Winged Goddess computer by the river

Spin Red: NAXA- Meteor Computer 1

Super Hard Mode:

Spin Blue: Town Area 2- Blue Mystery Data

See Also

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