Tutorial  Updated

How to keep nosy people out of your 3DS

This is created to keep out nosy brothers from your 3DS activity and life, remember, you have the right to keep your privacy intact!
This is just :shit:posting isn't it?

1. Open Luma (Press Select while powering on)
2. Scroll down until you see PIN Lock.
3. Set the PIN lock using A until you get to your desired PIN length.
4. Press Start.
5. Now you should see Luma asking you to set the PIN.
6. After that's done, go and re-enter your PIN.
7. Profit.

To remove them if you forgot, please refer to @CPG 's guide in this sub-forum.
 
Last edited by ihaveawindows,
  • Like
Reactions: Deleted member 560739, Starhatred and Zakie
Click to expand...
KleinesSinchen

KleinesSinchen

GBAtemp's Backup Reminder + Fearless Testing Sina
Member
GBAtemp Patron
Level 24
Joined
Mar 28, 2018
Messages
4,418
Trophies
2
XP
14,853
Country
Germany
gamer765 said:
The 3ds will long be back in my possession already before that replacement battery arrives. Also I'll be sure to thank the kind person for the free replacement battery when it does arrive. Also i have my device set to default boot a garbage payload that will black screen. Only way to get it to boot successfully is by pressing the right button combination.
Click to expand...
Sadly this doesn't offer any more protection than the Luma3DS pin. More like security by obscurity.
Taking the battery out frequently is a hassle because of the screws and setting the date/time (yes, I know Luma has ntp functions now).

alivebacon said:
that's not the point. the point is so if you have kids theyre less likely to accidentally brick ur 3ds or something
Click to expand...
That is pretty much all one can achieve with the pin.
==============

A modification of B9S loading boot.firm from NAND first ignoring the SD when a CTRNAND copy is available would be more secure (requiring ntrboot to bypass). Such a modification however fails to be safe for the console.
 
D

Deleted member 668561

GBAtemp Official Psychonaut
Banned
Level 11
Joined
Jan 29, 2008
Messages
1,875
Trophies
0
Location
somewhere within 4 dimensional space-time
XP
2,654
Country
United States
gamer765 said:
The 3ds will long be back in my possession already before that replacement battery arrives. Also I'll be sure to thank the kind person for the free replacement battery when it does arrive. Also i have my device set to default boot a garbage payload that will black screen. Only way to get it to boot successfully is by pressing the right button combination.
Click to expand...

Good luck locating your stolen 3ds, it'll be sold for money, it's not hard to wipe a 3ds
 
Last edited by Deleted member 668561,
KleinesSinchen

KleinesSinchen

GBAtemp's Backup Reminder + Fearless Testing Sina
Member
GBAtemp Patron
Level 24
Joined
Mar 28, 2018
Messages
4,418
Trophies
2
XP
14,853
Country
Germany
aadz93 said:
Good luck locating your stolen 3ds, it'll be sold for money, it's not hard to wipe a 3ds
Click to expand...
To be fair no protection will give you your device back if stolen. A phone can maybe be located if some vendor-specific total surveillance module is on it (same for some laptops).

But else: What does it help to have your device unusable by a thief? They might still sell parts or the whole thing for parts. I have seen countless phones and tablets with "forgot my Google account/password, factory reset protection active" for sale. (Not that I suspect all these to be stolen -- forgotten account data is very common)

There should be no private or even intimate data on a 3DS so protection against reading it out is not really needed either.
=========

Anyway: Rather than just pondering and discussing the topic, I went ahead and recompiled B9S today to give NAND boot the preference. This seems to work as intended. Without the pin I cannot access any payloads, the SD is fully ignored in the boot process.

This protection with a custom boot9strap.firm offers a little more security but ultimately is not gonna stop a determined attacker from using the 3DS. It just comes close to this thread title: It will prevent nosy people (siblings?) from casually using your console against your will.
 
Last edited by KleinesSinchen,
  • Like
Reactions: Flaire, jeffyTheHomebrewer and Deleted member 668561
D

Deleted member 668561

GBAtemp Official Psychonaut
Banned
Level 11
Joined
Jan 29, 2008
Messages
1,875
Trophies
0
Location
somewhere within 4 dimensional space-time
XP
2,654
Country
United States
KleinesSinchen said:
To be fair no protection will give you your device back if stolen. A phone can maybe be located if some vendor-specific total surveillance module is on it (same for some laptops).

But else: What does it help to have your device unusable by a thief? They might still sell parts or the whole thing for parts. I have seen countless phones and tablets with "forgot my Google account/password, factory reset protection active" for sale. (Not that I suspect all these to be stolen -- forgotten account data is very common)

There should be no private or even intimate data on a 3DS so protection against reading it out is not really needed either.
=========

Anyway: Rather than just pondering and discussing the topic, I went ahead and recompiled B9S today to give NAND boot the preference. This seems to work as intended. Without the pin I cannot access any payloads, the SD is fully ignored in the boot process.

This protection with a custom boot9strap.firm offers a little more security but ultimately is not gonna stop a determined attacker from using the 3DS. It just comes close to this thread title: It will prevent nosy people (siblings?) from casually using your console against your will.
Click to expand...


Ntrboot is unpatchable
 
Last edited by Deleted member 668561,
KleinesSinchen

KleinesSinchen

GBAtemp's Backup Reminder + Fearless Testing Sina
Member
GBAtemp Patron
Level 24
Joined
Mar 28, 2018
Messages
4,418
Trophies
2
XP
14,853
Country
Germany
Jayumi said:
Thats true, wait couldn't it be possible to make a app lock type program for the 3ds?
Click to expand...
The 3DS will probably never be a universally usable computer. Theoretically almost everything could be done on it since we have full system control milliseconds after boot – but who should do it?

There is Parental Pin that can limit access (can be trivially bypassed with master code generator https://mkey.salthax.org/) and Luma3DS pin (can be trivially bypassed by deleting the pin file on the SD – unless you do what I did a few posts above; in this case the attacker needs an ntrboot cart to bypass).
 
Last edited by KleinesSinchen,
  • Like
Reactions: Alexander1970 and jeffyTheHomebrewer
Flaire

Flaire

Well-Known Member
Member
Level 3
Joined
Jun 14, 2020
Messages
107
Trophies
0
Age
22
XP
248
Country
United Kingdom
KleinesSinchen said:
The 3DS will probably never be a universally usable computer. Theoretically almost everything could be done on it since we have full system control milliseconds after boot – but who should do it?

There is Parental Pin that can limit access (can be trivially bypassed with master code generator https://mkey.salthax.org/) and Luma3DS pin (can be trivially bypassed by deleting the pin file on the SD – unless you do what I did a few posts above; in this case the attacker needs an ntrboot cart to bypass).
Click to expand...
I have a old 3ds i dont ntrboot works on it
 
Flaire

Flaire

Well-Known Member
Member
Level 3
Joined
Jun 14, 2020
Messages
107
Trophies
0
Age
22
XP
248
Country
United Kingdom
JackoTC said:
i actually made some homebrew a couple weeks ago
developing for the 3ds is definitely a challenge but its a fun one
Click to expand...
And the community is really helpful, if you ever have a question somebody will always have a answer.
 
alivebacon

alivebacon

Well-Known Member
Member
Level 4
Joined
Jan 20, 2019
Messages
219
Trophies
0
Location
Spiral Mountain
XP
511
Country
United Kingdom
aadz93 said:
Ntrboot is unpatchable
Click to expand...
You need one of a list of flashcarts to use that, not everyone can obtain an eligible cart. Also that's brick protection, it won't matter if they're just gonna sell it for parts anyway.

--------------------- MERGED ---------------------------

Jayumi said:
What would you have on a 3ds that you wpuld have to put a passcode on it?
Click to expand...
Reply I made earlier to the exact same question:
alivebacon said:
that's not the point. the point is so if you have kids theyre less likely to accidentally brick ur 3ds or something
Click to expand...
 
  • Like
Reactions: jeffyTheHomebrewer

Site & Scene News

Go to forum More news

Popular threads in this forum

Hacking Homebrew  A new way to experience StreetPass

Is it possible...?

After the 8th of April, will it still be possible to create a new NNID (Nintendo Network ID) and/or transfer a NNID from one console to another?

Hacking Homebrew  how to link pnid to 3ds/how to use juxtaposition?

Hacking  New 2ds Refuses to boot

Hacking Misc  VCRUNTIME140.dll UCRTBASED.dll Master Thread

Translation Project  DQM2SP translation

3DS won't boot into DS Mode, Extended Memory Mode and more

General chit-chat
Help Users
    realtimesave @ realtimesave: I have it in my hands