SMOK GX350 Complete Guide
Advanced Vaping Guides

A Complete Guide To The SMOK GX350 Mod

GX350 Menu Operation

Menu Navigation

Before we go any further into the operation guide, from this point forward remember that if you make a mistake during the programming all you have to do is wait for about 20 seconds for the menu system to take you back to the home screen.  Call it a fail safe system, pressing nothing will take you back to the beginning.

  • Confirming Options & Entering Sub Menu’s:  Pressing the fire button three times will get you inside the menu, and from here the menu options are simple and self-explanatory for the most part.  Long pressing any option will confirm it and take you through to the next screen.

Temperature & Wattage Mode

  • TEMP:  Choose between different wire types for coils, adjust the initial resistance of the coils, and input TCR codes if the wire isn’t supported by the GX350.  Adjusting the wattage between 15 and 350 watts in the menu system may seem strange in the back end of temperature control, but it really comes in handy for locking down the power.
  • WATT:  Choose between  Min/Norm/Hard/Soft/Max strength effects.

Puff Counter

  • Puff Settings:  As with almost every other SMOK device from the last year and a half, the GX350 keeps track of the number of hits you’ve taken, and you can use this option to tell it to set a maximum number of hits or just reset it.


The settings option allows you to fine tune the overall function of the GX350.  These settings range from screen time, screen lock, contrast, screen direction, and the ability to adjust the resistance of an attached coil.

  • Screen Time:  Set the amount of time the screen remains lit when the fire button is pressed in and activated.
  • Screen Lock:  Automatic lock, turned on/off.
  • Contrast:  Increase or decrease the screen brightness to lengthen the battery life.
  • Screen Direction:  Allows you to flip the screen 180 degrees.
  • Adjust Ohms: If, for some reason the Ohm reader built into the device is reading your coils wrong, you can manually set them here.


If you have used any other SMOK device, this menu system will be easy to navigate and simple to use.  If you are new to SMOK products however, everything has been laid out to make the GX350 as user friendly as possible.  If this guide has helped you in any way, we would be thrilled if you could share it via your social networks.  We work hard researching information about these devices, how to use them, and all of their functions, then we write them down in an effort to help our fellow vapers.  Your help in making sure other vapers see this guide is very appreciated.


About the author

Blake Brown

Blake is the owner and creator of the Guide To Vaping blog. He has expressed his passion for the vaping industry through his deeply rooted and highly informative content. Being a writer and content provider for the vaping industry for year's, Blake has also gained experience from working with multiple blogs and well respected companies.


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  • I tried to update the firmware on mine and the moment I clicked download on the settings my screen went black and now it will not turn on. Even with the batteries fully charged.

    • i did the same i think the GX350 doesn’t have a firmware update yet. you may have loaded G320 firmware on it. im trying to figure out how to undo it or trying to see when the GX350 will have a update.

  • I’ve had a dream my gx350 for about 2 weeks and it’s worked perfectly until now, I have 2 4 sets of batteries and both sets are fully charged but i put them in and it won’t turn on

  • Ok i got the GX350 I want to see if they had a update for it and I believe I may have loaded G320 firmware in is and Im trying to figure out how to undo what i did any ideas/info?

    • This is the most obvious, but I need to ask if you’ve turned the device on with 5 clicks to the fire button? If that isn’t the issue, I would recommend contacting the store you’ve purchased the device from and see what they can do to fix the issue or replace the device.

    • That is because one of the up-down buttons is stuck in the depressed mode. Dirt or eliquid may have entered that button. You need to figure out which side is sticking an flick it repeatedly until the inner button rectifys.

  • Ok so I am now on my second gx350 its been maybe a month since I’ve had this one and about a couple weeks on the first one. I love the mod and am pleased with all the settings and control I have with it. My problem with it and this being my second one with married batteries which I always use 4, is that the screen dims down then just disappears out of no where with my batteries being close to over half way. Is this a common problem with theses mods or am I just getting defective ones.

  • I’m having a problem with my gx350 vape. some how my vape screen is on stealth mode. how do I turn on my screen?

  • you stated in your review (smok also states it the user guide) that to get to the menu all you have to do is click the fire button 3 times with the system in UNLOCK mode. this actually caused me a bit of confusion, and cussing. to get to the menu the system needs to be in LOCK mode. please edit this, since you’re trying to help and all.

  • Hi. I recently purchased a GX350 and it keeps displaying, “check battery”. I have tried everything from sealing the battery positions to using different batteries of the same type. Is this a normal problem or did I do something wrong? I would very much appreciate some help.

    • Make sure your atomizer is making a solid connection on the device. Usually the check battery comes up when you don’t have an atomizer attached to the device or if it isn’t making a solid connection. See if that helps.

  • You can also quickly lock and unlock the GX350 by simultaneously pressing the up and down buttons, much simpler than pressing the fire button 5 times each time

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