Keep the SX-70 Alive
Keep the SX-70 Alive
Give your SX-70 Bluetooth control, firmware updates and a future-proof upgrade path.
Why SX-70 Matters
The Polaroid SX-70 is one of the most iconic cameras in instant photography history. Released in 1972, it introduced a folding SLR design that redefined what an instant camera could be. Still beloved by photographers and collectors worldwide.
50 Years Later, New Challenges
Electronic Aging
Original circuit boards degrade over time, causing unreliable operation.
Exposure Drift
Calibration shifts lead to inconsistent image quality.
Repair Difficulty
Original parts are scarce and repairs are increasingly expensive.
No Modern Features
No Bluetooth, no firmware updates, no remote control capability.
Battery Compatibility
Modern film packs behave differently from original film chemistry.
Long-term Viability
A camera without an upgrade path faces eventual obsolescence.
The Upgrade
From aging electronics to modern capability.
Before
- No Bluetooth
- No OTA Updates
- Difficult Calibration
- Aging Components
- No Future Expansion
After
- Bluetooth Control
- OTA Firmware Updates
- Easy Calibration
- Modern Electronics
- Future Expandability
Modern Electronics for a Classic Camera
We don't just repair — we build a sustainable platform for the future.
What Can You Do With It?
Give Your SX-70 New Creative Possibilities
Night Photography
Low-light shooting with longer exposure control.
Self Timer
Be part of the photo, not just behind it.
Creative Exposure
Explore motion blur and artistic effects.
Firmware Upgrades
New features delivered wirelessly.
Featured Products
Discover our lineup of electronic upgrades for the SX-70
SX70 BLE Board (Original)
Bluetooth control and OTA firmware updates for your SX-70
SX70 BLE Board (Sonar)
Bluetooth control board for SX-70 Sonar autofocus models
Compatible Models
Not sure which SX-70 you have?
Use the serial number inside the camera top cover to check whether it looks like a supported SX-70 folding-camera serial.
Mobile App Control
Manage your SX-70 directly from your phone.
Bluetooth Pairing
Connect and configure wirelessly.
Exposure Adjustment
Fine-tune exposure from your phone.
Remote Trigger
Trigger the shutter remotely.
Firmware Update
OTA updates via Bluetooth.
Future Features
New capabilities via app updates.
Simple Installation
Upgrade your SX-70 in just a few steps.
Open Camera
Remove four bottom screws and separate the panels.
Install Board
Connect the BLE board to the original mainboard.
Connect App
Pair via Bluetooth and configure settings.
Sample Photos
See what the SX-70 can do with modern electronics
How to Order
Simple, worldwide shipping.
Choose Product
Select the upgrade that fits your camera.
Pay via PayPal
Secure checkout via PayPal.
Worldwide Shipping
Ships to most countries.
Ready to Upgrade?
Browse installation guides, firmware documentation, and technical references.
Frequently Asked Questions
Which SX-70 models are supported?
The SX70 BLE Board supports SX-70 Original, Alpha, Model, Sonar and other series models.
Does installation require soldering?
Yes, soldering is required. Installation involves removing the camera head, taking out the original mainboard, and soldering in the new BLE board.
Can shutter speed errors be calibrated?
Yes. No disassembly required — calibrate shutter speeds directly through the app without adjusting the solenoid.
Does it support 600 film?
Yes. Enable 600 Film Mode in the app to automatically adjust exposure settings for 600 film packs.
How do firmware updates work?
Firmware updates are delivered over-the-air (OTA) via Bluetooth through the mobile app. No cables or computer required.
Is iPhone supported?
Yes, an iOS app is in development. Check the Downloads page for availability.
Is Android supported?
Yes, an Android app is in development. Check the Downloads page for availability.
How is power supplied?
The BLE board is powered by the camera's existing battery system, with optional external power via the SX70 Power Module.
About PolaFold
Designed and developed specifically for the SX-70 community. PolaFold combines hardware engineering, firmware development and mobile software to keep classic instant cameras alive for future generations.