How do i reset my passcode for my iphone 4s?

Did you forget iPhone password? If so, the only way to unlock your iPhone 4S is resetting the password through iTunes or iCloud. Just follow below steps to do that.

If you haven't synced your iPhone with iTunes before or if you haven't enabled your Find My iPhone on, you can take advantage of the third method. Resetting iPhone Password in Recovery Mode is not complicated. The steps below will show you how to do that.
Step 1. Disconnect all cables from your iPhone and turn it off.
Step 2. Press and hold the Home button and connect your device to iTunes. If your iPhone does not turn on, please turn it on manually.
Step 3. Continue holding the Home button until you see the Connect to iTunes screen. iTunes will remind you that it has detected your iPhone in recovery mode.

Step 4. Click OK. The Summary tab in iTunes appears. Click "Restore iPhone" and restore your iPhone.

Recovery Mode will erase all your data and passcode from your iPhone, resetting it to factory defaults. Thus, you'll have brand new iPhone without any personal data after you reset iPhone password with Recovery Mode. Therefore, please consider carefully whether you need to use this method to reset password on iPhone.
If you remember your current iPhone password and you just want to change into a new password, you can finish it with ease. Go to Setting > General > Touch ID > Passcode (iOS 9/8/7) or Passcode Lock (iOS 6), then enter the current password and tap Change Passcode. Then enter the new passcode. Now, you have reset your iPhone password.

For more methods, check: How to Reset Password on iPhone

Power off your handset and plug into a computer holding down the home button (at the same time).

Open iTunes, which should be on the computer your plugging it into.

Then reset/Restore using iTunes.

Do you mean the network passcode?If so, to remove the restriction, I suggest you can approach Wickedunlock.com and specify the country,locked network of the iPhone 4S.Based on the availability you can get their permanent remote unlock service and remove the network passcode.

How to:
Open the Settings App and navigate to General -> Passcode Lock. Once in the passcode lock settings, you can turn Passcode on and off

Turn Off the Passcode in iOS 7 on the iPhone 5

JUST RESTORE YOUR PHONE IN DFU MODE WITH LATEST UPDATE
ALL DATA WILL BE LOST SO BE SURE TO BACKUP ALL

FOR DFU MODE
CONNECT YOUR PHONE TO PC
HOLD POWER + HOME BUTTON WHEN SCREEN GOES OFF
COUNT UPTO 6 AND RELEASE POWER BUTTON WHILE HOLDING HOME BUTTON

Oh, it is the daily problem when Apple user forget their Pass-code and so iPhone disable.Use this Apple tutorial for unlock http://support.apple.com/kb/ht1212 and if you need some technical guidance over it follow Apple Support.

you can do a factory reset which will wipe the passcode you will need to plug it into itunes then put it into recovery mode and in itunes look for the reset button and go from there

As for your issue, you can fix it with following instruction.
Step 1: Tap on Settings, then go to General.

Step 2: Tap on Restriction, and enter your existing passcode.

Step 3: Tap on Disable Restrictions, and enter your existing passcode again.

Step 4: Tap on Enable Restrictions, and enter (twice) new passcode.


For more details, check: How to Reset Restrictions Passcode on iPhone

If you forgot the passcode to unlock iPhone, you can reset it by referring to below instruction.

If you have synced your iPhone with iTunes before you forget your iPhone password, you can reset your iPhone by using iTunes without losing data. Through iTunes, you can restore your iPhone from the last backup and remove the passcode from your locked iPhone while retaining your data. If iTunes asks you to enter the passcode, try another computer. Otherwise, you have to follow the reset iPhone Passcode with Recovery Mode section below. The following steps will show you how to reset iPhone password with iTunes.
Step 1. Connect your iPhone to the computer with via a USB cable that your iPhone has trusted.
Step 2. Launch iTunes. If you've synced your iPhone with iTunes, then no "enter password" is required.
Step 3. iTunes will automatically sync your iPhone and create a backup file. If it doesn't, you should sync your iTunes and create a backup file manually by in the Summary window.
Step 4. In the Summary window, you can see the option "Restore iPhone". Click it and follow prompts to choose the latest iTunes backup to restore your iPhone.

After the restoration process is complete, your passcode will be erased and all your data will be restored from your backup. You will now be able to access your iPhone without any passcode. And you can set your new password on iPhone.

For more methods, check: How to Reset Password on iPhone