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» » » » » » » » » » » » How to Use SMOK® I-Priv Kit with TFV12 Prince Tank User Manual


When a mod combines with AI, here comes I-Priv! It can clearly hear you, respond you and execute your commands. The mod shaped like a warrior, full of muscles, and with 1-230W output power, it can guarantee powerful vaping effects. From its round TFT screen you can see a newly designed dynamic user interface. There’s also a little light at the button, you can set to see flickering light. It’s quipped with TFV12 Prince Tank, which has revolutionary strip coil and 8ml capacity. Besides, this mod is compatible with 21700, 20700 and 18650 battery. Advanced technology, multiple functions, your warrior is coming! Innovation keeps changing the vaping experience!

The Kit Includes:

1 x I-Priv Mod
1 x TFV12 Prince Tank
1 x V12 Prince Strip Coil 0.15ohm (Pre-installed)
1 x V12 Prince Mesh Coil 0.15ohm
1 x 18650 Battery Adapter
1 x User Manual
1 x Replacement Glass Tube
1 x USB Cable
Spare Parts


I-Priv Mod

Size: 95.5*56*35mm
Weight: 188.6g
Power Range: 1W-230W
Standby Current: <500uA
Output Voltage: 0.5V-8.2V
Resistance Range: 0.1ohm-2.5ohm (VW)/0.05ohm-2.0ohm(TC)
Temperature Range: 200℉--600℉/100℃--315℃

TFV12 Prince

Material: Stainless Steel
Size: 28*63mm
Weight: 60g
Capacity: 8ml
Thread: 510


1. Using your Smartphone or PC to visit SMOK official website:
2. Scratch off the coating of the security label on the package to reveal the 16 authentication code. Enter it into the input field on the webpage to verify. The result will be displayed after a few seconds.
3. If you have any question, please contact SMOK consultant via e-mail, phone or our website to get more help.


Note: Please carefully keep the anti-counterfeiting codes on the package. Only the activated products (refer to “Mod”) can get after-sale service.
I-Priv Kit Warranty Period: 6 months from the Purchase Date.
Within the 6 months, some items may not be eligible for service due to misuse, damage, or other failures causes by end users. SMOK’s warranty only covers manufacturer defects or premature failure. Please contact SMOK Authorized Vendor for more information and terms of service.

The ”I-Priv Kit Customers Card” is an important proof for customers to get warranty claims, please keep it. Read the card carefully and fill it out correctly. Warranty claims must be accompanied with this card.
For more warranty policies and processes, please visit our official website:


How to use SMOK I-priv Kit

User Guide

Preparation before use:

1) Please make sure the battery you’re using corresponds with the BATTERY WARNING CARD
2) Before vaping, please make sure the tank is filled with enough e-juice

Battery Installation

1) Open the battery cover as the picture shows;
2) Place the batteries into the device according to the correct directions;
3) Close the battery cover

Attach Atomizer

The I-Priv uses a spring loaded 510 connector. Please be certain that there is nothing between the mod and attached atomizer.
1) Connect the atomizer to the device and tighten it clockwise
2) After the device is powered on, please press the Power Button to vape.

Mod Operations

1. Power On:

While the device is off, quickly click Fire Key 5 times in 2s to turn it on. The screen successively displays “SMOK”;

2. Vaping:

While the device is on, press Fire Key to vape (it will be forced to stop working when vaping is longer than 12s one time, release and press again to vape again);
Quickly press the Fire Key 5 times to lock or unlock

3. Screen Unlocked Status:

Press UP Button and DOWN Button simultaneously to lock/unlock the device;
Press Fire Key and UP Button simultaneously to choose your desired ramp up option: Norm/Soft/Hard in WATT MODE or 10-230W in TEMP MODE;
Press Fire Key and DOWN Button simultaneously to choose your desired mode, TC Mode, VW Mode or MEMORY Mode.
Press UP or DOWN Button to adjust the temperature or wattage settings.

4. Locking your device:

Hold the fire key for 5s this will lock your device. No adjustments can be made nor can the device be fired in this state.

5. Power Off: 

While the device is locked, hold Fire Key for 5s, choose POWER OFF, and the screen turns off, which means the device is power off. You may also access the option to turn off your device by entering the menu and selecting thee option there.

6. Setting Saved: 

All the setting will be automatically saved when selected. No need to reset your preferences each time the device is turned on.

7. Menus & Prompts: 

After startup, fast press the fire key 3 times in 2 seconds, then you will go to the operation menu. When enter into the operation menu, you can wait for 5 seconds or long press the fire key to set further. You can use UP/DOWN Button to navigate the menu.

VW Mode

VW Mode is available for all types of atomizers.
1. Enter VW Mode: select “WATT” from TC MODE, VW Mode and MEMORY MODE by pressing Fire Key and DOWN Button simultaneously while screen is unlocked. Alternatively you can switch the mode by depressing the fire button three times in quick secession, the press the fire button for a moment while the screen displays “MODE”, then select “WATT” by holding the fire button for a moment.
2. In the WATT Mode, you can use UP/DOWN Button to adjust wattage.
3. Use Fire Key to switch to next submenu “Preheat”, and use UP or DOWN button to switch your ramp up option HARD, NORM, SOFT.


TC Mode is available for I-Priv, only works with a TC type atomizer.
1. Enter TC Mode: switch to TC Mode(Ti, Ni, SS), VW mode and MEMORY Mode by pressing Fire Key + DOWN Button simultaneously while screen is unlocked or by quickly pressing the fire button 3 times and selecting Mode, and then select TEMP.
2. Press Fire key and UP Button simultaneously to adjust from 10W to 230W.
3. In TC Mode, use the UP/DOWN Button to adjust the temperature settings.


1. Enter MEMORY Mode: select from TC Mode, VW Mode and MEMORY Mode by pressing Fire Key + DOWN Button simultaneously while screen is unlocked.

2. Wait 5s or press and hold the Fire Key to set M1-M23; increase or decrease the wattage value by UP or DOWN button.

Puff Setting

Puff Setting: Set puff limit number.
Puff Clear: Puff counter clearing function
Puff Already: Puff number taken so far.

Screen Color

6 colors available for screen display
Screen Time: 15-240S

My Setting

VC Adjust By: Set how much should the wattage increase or decrease each time in voice control mode.
My Setting: Set your preferred wattage in voice control mode.

Voice Type

Voice Type: Male Female Robot

Voice on/off: Turn on/off voice.

LED Setting

9 colors available for LED setting
Light Style: Normal, Jump, Fade
Light Up: Vaping On, Off, Screen On, Always On.

Power off

Choose “X” means Power On;
Choose “√”means Power Off with “SMOK”.

Voice Control

After startup, fast press Fire Key 3 times in 2s to enter into operation menu, press up/down button to find Voice Type then press fire key to enter. At this interface you can choose voice type (Made/Female/Robot) and on/off of voice control function.

Tank Operation

How to fill with e-liquid

1) Hold the tank with one hand, and use another one to move the top cap counter clockwise.

2) Add e-liquid through the slot, and pay attention not to drip in into the central airflow tube.

3) Close the cap tightly with care. Let the tank stand for several minutes to completely saturate the organic cotton.

Replace atomizer core:

Firstly, unscrew the base, then unscrew the coil head from the base, hen secure your new coil head onto the base plate (ensure that it is screwed in securely), finally screw the new coil head into chimney and you’re ready to prime your new coil head.

Control air input:

Rotate the bottom adjustable airflow system to control air input.


1. Before use please read the manual carefully
2. Connect the atomizer to a power source that is suitable for its intended use.
3. Please avoid making the e-liquid into your mouth directly
4. Please do not keep the liquid inside the atomizer if the device is not going to be used for a long period.
5. Please refill the tank when the e-liquid is nearly used out to avoid dry-burning of the atomizer.
6. Please do not drop, throw or mishandle this product as the outer shell or inner components may become damaged.
7. In order to prolong the operation of your product, please keep it away from excessive temperature and humid environment.
8. Please keep this product away from children and pregnant women.


Underage sale is prohibited. Depending on your country/region legal smoking age.18+ and over 21+ in other country/regions.


This product is not intended for use by person under legal smoking age, nonsmokers, women who are pregnant or breastfeeding, or person with or at risk of heart disease, high blood pressure, diabetes, or taking medicine or depression asthma.

Appendix 1 Key Function Table

Appendix 2 Screen Prompts Table

Note:Once the mod detected volt too high/volt too low/ohm too high/ohm too low/no atomizer/atomizer short/TEMP too high, it will have voice broadcast.

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