CEL-FI WAVE

CEL-FI WAVE

by Nextivity, Inc.

44 ratings
82 reviews
Free

Details

  • Released
  • Updated
  • April 2, 2015
  • July 8, 2026

Features

CEL-FI WAVE screenshot #1 for iPhone
CEL-FI WAVE screenshot #2 for iPhone
CEL-FI WAVE screenshot #3 for iPhone
CEL-FI WAVE screenshot #4 for iPhone
CEL-FI WAVE screenshot #5 for iPhone
CEL-FI WAVE screenshot #6 for iPhone
iphone
ipad
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About

Easily set up and manage your smart signal booster. Monitor performance, troubleshoot coverage issues, and update software. Configure advanced settings like network selection and antenna aiming for improved indoor mobile service.

Booster registration
Performance monitoring and optimization
Coverage issue troubleshooting
Software updates
External antenna aiming
Network operator selection
Advanced settings configuration
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What users say

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What's New in CEL

2.1.19

July 8, 2026

Spectrum changes for Egypt.

User reviews

Would give 0 starts

App does not work making it useless

Update booster

Used the app to update firmware in a booster that had quit working. Worked great!

Substantially Worse Experience

This app somehow got worse with each update.
It displays multiple units while searching with the same name (a sequence of letter led and numbers at first good, luck deciphering that while you’re in a roof cavity), will not connect to said units without an hour of closing & reopening the app.
You can now no longer flash the LED on a displayed device before connecting to it, instead you have to just connect and hope it’s the device you’re after or else wait for it to “download settings” which clearly does nothing.
Once you’re finally in, the app is cumbersome to navigate and alter settings.

If you’re not going to do the app properly and instead outsource its development (which I would hope it has been, since if this was in-house I’d be ashamed to put my name to it), just don’t have an app at all.
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Ok functional but time to upgrade.

OK functionality.
Could do with some more polish on UX. Some things are not easy to find.

Expect to wait for the legacy Bluetooth 4.2 hardware stack to provide settings.

Often frustrating

COULD WORK MUCH BETTER WHEN OFFLINE which is when I most need it to work. In some dark double brick shielded utility room in marginal MNO cell.
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Substantially Worse Experience

This app somehow got worse with each update.
It displays multiple units while searching with the same name (a sequence of letter led and numbers at first good, luck deciphering that while you’re in a roof cavity), will not connect to said units without an hour of closing & reopening the app.
You can now no longer flash the LED on a displayed device before connecting to it, instead you have to just connect and hope it’s the device you’re after or else wait for it to “download settings” which clearly does nothing.
Once you’re finally in, the app is cumbersome to navigate and alter settings.

If you’re not going to do the app properly and instead outsource its development (which I would hope it has been, since if this was in-house I’d be ashamed to put my name to it), just don’t have an app at all.
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Developer apps

User experience

🐞

Reported Bugs

143 issues

App does not work

Bug

Multiple units displayed with same name

Bug

Will not connect to units without hours of closing & reopening

Bug

Cannot flash LED on displayed device before connecting

Bug

App is cumbersome to navigate

Bug

Legacy Bluetooth 4.2 hardware stack causes delays

Bug

App could work much better when offline

Bug

Latest 'Update' rendered the product useless

Bug

Support webform errors

Bug

App implies system is configured but no signal strength increase

Bug

Rarely connects after last update

Bug

Hard to connect without jumping through hoops

Bug

Tech help suggests basic troubleshooting

Bug

Never connects to the app

Bug

Unit fails to boost signal

Bug

Refuses to connect to Bluetooth after app update

Bug

App becomes extremely laggy with low signal

Bug

App takes an eternity to make a connection

Bug

Regularly fails to achieve a connection

Bug

Humorous messages during connection attempts

Bug

App crashing

Bug

App screen goes white

Bug

Hangs during 'downloading settings'

Bug

Cutesy messages when app doesn't work

Bug

Blank settings screen after update

Bug

Antenna aiming function doesn't work

Bug

Cannot register the cell booster

Bug

Features that worked well now don't work

Bug

Slow and frustrating system for antenna separation and signal quality

Bug

Taken away ability to swap between roaming and stationary

Bug

Cannot connect to unit even though it is functioning

Bug

No interface with the unit

Bug

App hangs at looking for a booster with no option

Bug

App does not agree with tech/customer support

Bug

App continues to tell you to register device

Bug

App only scans for one device

Bug

Need to restart phone to pick up a different device

Bug

Majority of the time app cannot connect to stationary booster unit via Bluetooth

Bug

App cannot maintain a connection

Bug

Bluetooth connection error

Bug

Out of range apparently

Bug

Always disconnects from Bluetooth

Bug

Sometimes cannot find a connection to the signal booster

Bug

Only connects about 1 out of 10 tries

Bug

No information on what screens mean

Bug

App stops working

Bug

Still says 'gathering information'

Bug

App won't connect by Bluetooth even when next to unit

Bug

Slow, inaccurate rubbish app

Bug

App shows nothing once connected

Bug

Clunky

Bug

Fails to connect to the Celfi Go

Bug

States it's 'gathering data' forever

Bug

Connection lost

Bug

Phone shows 3G when app shows 4G

Bug

Phone does not find booster after update

Bug

Web site is useless

Bug

Cannot contact support

Bug

Waste of money

Bug

Constantly disconnects from the cellfi

Bug

Slow to connect and gather data

Bug

Sometimes cannot find the booster

Bug

Wants to update booster software frequently with no improvement

Bug

Slow and outdated app

Bug

Most of the time app can't find the booster

Bug

App shows zeros for incoming signal strength until restarted

Bug

App freezes and requires phone restart

Bug

Lost blue tooth connection

Bug

App freezes and requires booster restart

Bug

App needs UI update for iPhone 12 Pro Max

Bug

UI looks small on iPhone 12 Pro Max

Bug

Stationary to mobile setting removed

Bug

App works in portrait mode only

Bug

Major accuracy and performance doubts

Bug

Forgets the Go and doesn't find it again

Bug

Rebooting Go and going through registration process again

Bug

Keeps showing need for firmware update but says up to date

Bug

Interface doesn't support iPhone X/XS/XR

Bug

App crashes a lot

Bug

Uninstall and reinstall app to reconnect

Bug

Continually says update available but will not update

Bug

App keeps going into offline mode

Bug

Only supports one device and locks to it

Bug

Reset each device and reinstall app to change config

Bug

Latest update makes app useless

Bug

App sits at 'installing operator configurations' 0%

Bug

App keeps crashing

Bug

Update available but will not update

Bug

Does not work if you live in Australia (US addresses only)

Bug

App always searches, never connects

Bug

Latest software doesn't help

Bug

Never stops searching

Bug

App says it is not boosting but phone has full signal

Bug

App doesn't function properly

Bug

Latest update breaks access to cel-fi device

Bug

Cannot take readings

Bug

Screen needs optimization for iPhone X

Bug

Latest update made connection slower

Bug

Drops out on Hands Free

Bug

Boosters defaulting to band 2 over band 12 or 4 and not releasing it

Bug

App shows basic networking statistics

Bug

Little information on functionality features

Bug

App still not working after July 2016 update

Bug

Keeps saying booster update required

Bug

App is garbage

Bug

Cannot see any information from the device

Bug

Constantly searching but never finds anything

Bug

App always searches, never connects

Bug

Never stops searching

Bug

App says it is not boosting but phone has full signal

Bug

App doesn't function properly

Bug

Latest update breaks access to cel-fi device

Bug

Cannot take readings

Bug

Screen needs optimization for iPhone X

Bug

Latest update made connection slower

Bug

Drops out on Hands Free

Bug

Boosters defaulting to band 2 over band 12 or 4 and not releasing it

Bug

App shows basic networking statistics

Bug

Little information on functionality features

Bug

App still not working after July 2016 update

Bug

Keeps saying booster update required

Bug

App is garbage

Bug

Cannot see any information from the device

Bug

Constantly searching but never finds anything

Bug

App always searches, never connects

Bug

Never stops searching

Bug

App says it is not boosting but phone has full signal

Bug

App doesn't function properly

Bug

Latest update breaks access to cel-fi device

Bug

Cannot take readings

Bug

Screen needs optimization for iPhone X

Bug

Latest update made connection slower

Bug

Drops out on Hands Free

Bug

Boosters defaulting to band 2 over band 12 or 4 and not releasing it

Bug

App shows basic networking statistics

Bug

Little information on functionality features

Bug

App still not working after July 2016 update

Bug

Keeps saying booster update required

Bug

App is garbage

Bug

Cannot see any information from the device

Bug

Constantly searching but never finds anything

Bug

App always searches, never connects

Bug

Never stops searching

Bug

Requested Features

15 requests

Allow users to see phone's cell signal strength while app is running

Feature

Auto-login feature

Feature

More descriptive device state (booting up, scanning, service detected)

Feature

Faster signal strength meters

Feature

Instruction manual detailing settings/features

Feature

Ability to increase Maximum Uplink and Downlink dB's power per carrier

Feature

Real-time Donor antenna optimal placement location

Feature

Option to swap between roaming and stationary

Feature

Password protection for settings

Feature

Block certain traffic

Feature

More flexibility with settings, e.g., specific WiFi band

Feature

Landscape mode support

Feature

UI update for newer iPhones

Feature

Explanation of indicators and settings

Feature

Ability to lock to specific LTE bands

Feature

FAQ

What does the CEL-FI WAVE app do?

The CEL-FI WAVE app is designed to help you set up, manage, and optimize your CEL-FI Smart Signal Booster. It allows you to register your booster, monitor its performance, troubleshoot coverage issues, update its software, and configure advanced settings for improved indoor mobile 3G, 4G, and 5G service.

What Cel-Fi products are supported by the WAVE app?

The app supports specific Cel-Fi products including CEL-FI CONNECT, CEL-FI GO, CEL-FI PRO, CEL-FI PRIME, CEL-FI ROAM, and CEL-FI SOLO. It is not compatible with equipment from other manufacturers.

Is the CEL-FI WAVE app free to use?

Yes, the CEL-FI WAVE app is free to download and use. The app itself does not have any associated costs, although it requires a separately sold CEL-FI Smart Signal Booster to function.

What are some advanced settings I can configure with the app?

Advanced settings vary by product but can include selecting a network operator to boost, configuring antenna settings, choosing which bands to relay, and switching between mobile and stationary modes for specific GO models.

How can the app help improve my mobile signal?

The app helps improve your mobile signal by allowing you to properly set up and optimize your Cel-Fi signal booster. Features like antenna aiming, performance monitoring, and troubleshooting coverage issues ensure your booster is working effectively to eliminate dead zones and enhance indoor mobile service.