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How to use Signal instead of WhatsApp



Facebook‘s WhatsApp is changing its privacy policy on Feb. 8, when it will begin to share some user information with Facebook, including location, phone numbers, profile names and pictures, when you last logged online and more. People are now flocking to an alternative texting app called Signal that doesn’t collect your data.

According to Reuters, daily downloads have increased 18x since WhatsApp changed its privacy policy, topping more than 800,000 downloads daily. That was likely partially boosted by Tesla CEO Elon Musk, who tweeted ‘use Signal,’ earlier this month.

Signal, like WhatsApp, is a chat app that lets you message and call friends and family using end-to-end encryption, which means your messages are more protected and can’t be easily read by anyone, including Signal itself. It supports group messages and other fun features you might already use in chat apps, like GIFs, videos and pictures. It even has encrypted group video calls, though supported is limited to five people right now. It’s completely free and you can use it on iPhones, Android phones, Macs, Windows PCs and Linux.

Signal isn’t some massive tech company out to make money from your information, either. It’s a registered nonprofit and relies on donations to operate. The free app doesn’t collect your private information and it doesn’t have any ads.

Here’s how to use it.

How to use Signal

The Signal Messenger app is displayed on a smartphone in Hong Kong, China.

Roy Liu | Bloomberg | Getty Images

  • Download Signal for iPhone or Android.
  • Enter in your phone number. This is so Signal can send you a text message and verify you’re the one using the app.
  • Enter in the code you received via text message.
  • Tap “Register without Transferring.” If you’ve used Signal before, you can choose “Transfer from iOS device” to download your old conversations but, for the sake of this guide, we’re assuming you haven’t used Signal yet.
  • Now you’re at the Signal home screen.
  • Tap the pencil icon on the top-right to create a message.
  • You can start messaging people who are already using Signal. But you may also need to tap “Invite Friends to Signal” if your contact doesn’t have the app yet. This will allow you to create an email message or text message to friends and family with a link to download the app.
  • Once they’ve joined, you can start chats using the same pencil icon, or create groups, much like you would in WhatsApp. You’ll even see read receipts, links to send audio messages, stickers, photos and more.

That’s it! Now you’re up and running on Signal. If you want to use it instead of WhatsApp, you can delete your WhatsApp chats by tapping “edit” on the top-left of the chat page. Select your messages and then tap “delete.” A copy of your messages may remain for other users in chats you’ve participated in until they also delete the chats.

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Facebook is referring Trump ban to its Oversight Board




President Donald Trump speaks to members of the media before boarding Marine One on the South Lawn of the White House in Washington, D.C., U.S., on Wednesday, Jan. 20, 2021.

Al Drago | Bloomberg | Getty Images

Facebook on Thursday announced that it will refer its decision to indefinitely suspend the account of former President Donald Trump to its newly instituted Oversight Board.

The independent body will review the decision to suspend Trump and make a binding decision on whether the account will be reinstated. Until a decision is made, Trump’s account will remain suspended, the company said in a blog post.

The board will begin accepting public comments on the case next week, it said in a tweet. The board will have up to 90 days to make its decision, but the board’s members have committed to move as quickly as possible, a spokesman for the board told CNBC. A decision can’t be overruled by CEO Mark Zuckerberg or other executives.

After Trump’s comments on social media led to an insurrection at the U.S. Capitol on Jan. 6 that resulted in the death of five people, Facebook said it hopes that the board will uphold its Jan. 7 decision to indefinitely suspend Trump.

“We believe our decision was necessary and right,” Facebook said in a blog post. “Given its significance, we think it is important for the board to review it and reach an independent judgment on whether it should be upheld.”

The company’s Oversight Board was launched in October with the premise of reviewing difficult content moderation decisions. The Facebook Oversight Board is made up of scholars, journalists and former lawmakers from around the world. This will be the board’s first major case.

Nominations are open for the 2021 CNBC Disruptor 50, a list of private start-ups using breakthrough technology to become the next generation of great public companies. Submit by Friday, Feb. 12, at 3 pm EST.

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Conspiracy! review – help a Trumpist president steal an election | Games




The terrible truth about conspiracy theories is that they’re fun. Making and sharing connections offers a sense of control so potent we might willingly blind ourselves to the provenance of the information in question – a tendency amplified by online recommendation algorithms, which point us towards ideas we already sympathise with. This is the gloomy message of Conspiracy!, an extremely timely text game in which you fabricate a plot to steal a US election.

Created in December, as Donald Trump and his followers doubled down on claims of voting fraud, the game casts you as an aide to an ousted Republican president who is refusing to concede. To make your employer’s case, you must assemble evidence for a conspiracy that folds in every deep state fairytale from human sacrifice to the ruinous effects of 5G internet. Play is about simple but satisfying comparison and deduction. You comb through a small stash of newspaper excerpts, podcasts, forum posts and classified emails, assigning dates to a series of captioned Polaroids. Get five dates correct, and the game locks them in while handing you fresh materials for your investigation.

In addition to exploring the mechanics of conspiracy theories, the game is a portrayal of fanaticism across the political spectrum. Besides drawling southern reactionaries, it harbours a few unflattering portrayals of sneering lefty intellectuals. It’s a short walk from such even-handedness to the kind of both-sides rhetoric that conflates BLM protesters with neo-Nazis. Conspiracy! never goes that far, but over the course of just two hours it doesn’t have much space for nuance, and it’s over-reliant on stereotypes.

It plays like a detective game such as the wonderful Paradise Killer, but it treats the player as a glorified factchecker, rubber-stamping a web of tall tales. You’re not involved in sourcing the evidence, only organising it, and if, as members of QAnon claim, everything means something, the game allows for only one interpretation. This is obvious from the outset, of course – Conspiracy!’s most insidious revelation is that joining the dots can feel enjoyable even when you know you’re being used.

Conspiracy! is available now; £3.50

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Samsung Galaxy S21 Ultra review: the new king of Android phones | Samsung




The Galaxy S21 Ultra is Samsung’s new superphone for 2021 – and comes out firmly as the best of its type, with a price to match.

Equipped with a new more powerful camera system – with not one but two optical zoom lenses on the back for a huge 10x optical zoom – it costs from £1,149 and leads Samsung’s 2021 mobile line, which also includes the smaller and cheaper £769 S21 and £819 S21+.

The Galaxy S21 Ultra looks broadly the same as its predecessors – all-screen on the front, aluminium sides and a glass back. The most distinctive change is a large camera lump blending into the side.

samsung galaxy s21 ultra review
The frosted glass on the back hides fingerprints but feels silky smooth to the touch. Photograph: Samuel Gibbs/The Guardian

The 6.8in screen is marginally smaller than the Note 20 Ultra and S20 Ultra from last year, but is crisp, colour rich and super bright. If you want big-screen entertainment in your pocket it delivers while its 120Hz refresh rate (double that on an iPhone) makes scrolling through feeds super smooth.

The S21 Ultra is a very large and relatively heavy oversized phone putting it in competition with the Note 20 Ultra and iPhone 12 Pro Max. I could just about use it with one hand, but most will need two hands to use it safely without using some form of phone grip.

samsung galaxy s21 ultra review
Qualcomm’s second-generation ultrasonic in-screen fingerprint sensor is a dramatic improvement. Photograph: Samuel Gibbs/The Guardian


  • Main screen: 6.8in QHD+ Dynamic Amoled 2X (515ppi) 120Hz

  • Processor: Samsung Exynos 2100 (EU) or Qualcomm Snapdragon 888 (US)

  • RAM: 12 or 16GB of RAM

  • Storage: 128, 256 or 512GB

  • Operating system: One UI 3.1 based on Android 11

  • Camera: Quad rear camera: 108MP wide, 12MP ultra-wide, 10MP 3x and 10MP 10x telephoto, laser autofocus; 40MP front-facing camera

  • Connectivity: 5G, dual nano sim, USB-C, wifi 6E, NFC, Bluetooth 5, UWB and location

  • Water resistance: IP68 (1.5m for 30 mins)

  • Dimensions: 165.1 x 75.6 x 8.9mm

  • Weight: 227g

35 hours of battery life

samsung galaxy s21 ultra review
The phone ships with just a USB-C cable but it supports super-fast charging, hitting 80% in 47 minutes and a full charge in just over 70 minutes using a 25W or greater USB PD 3.0 (PPS) power adaptor. Photograph: Samuel Gibbs/The Guardian

The S21 Ultra ships with Samsung’s just-released Exynos 2100 processor in Europe (as tested) or Qualcomm’s Snapdragon 888 in the US. Both variants come with 12GB or 16GB of RAM depending on model.

Performance was excellent all-round. The S21 Ultra feels noticeably snappier than the Note 20 Ultra from last year; from unlocking the phone to launching apps, every action happens just a little bit quicker.

Battery life is also strong. The phone easily outlasts a full day of heavy usage. I get in excess of 35 hours between charges – 7am on day 1 until 6pm on day 2 – with my general usage, which includes more than 5.5 hours of screen-on time split between chat apps, Chrome, Gmail, Evernote, the Guardian, Spotify and many others, shooting about 15 photos and spending about three hours on 5G, the rest on wifi.

That is longer than the 30-hour battery of the Note 20 Ultra, but slightly short of the S20 Ultra from last year and far behind the 48-hour battery of the iPhone 12 Pro Max. Changing the screen from the default dynamic 120Hz refresh rate and FHD+ resolution to the higher QHD+ resolution reduced the battery life by a couple of hours.


Samsung does not provide an estimate of the number of full-charge cycles the battery should last. Batteries in similar devices can typically last for 500 cycles while maintaining at least 80% of their original capacity.

The phone is generally repairable and comes with a 24-month warranty. Screen repairs for its predecessor the S20 Ultra cost £269. The battery is replaceable by authorised service centres at a cost of no more than £59.

Samsung offers trade-in and recycling schemes for old devices, but the smartphone does not include any recycled materials. The company publishes annual sustainability reports but not impact assessments for individual products.

The S21 Ultra does not ship with headphones or a power adaptor in the box, just a USB-C charging cable, reducing its carbon footprint.

One UI 3.1

samsung galaxy s21 ultra review
Users now have a choice between Samsung’s Free or Google’s Discover for their news aggregator on the home screen on the S21. Photograph: Samuel Gibbs/The Guardian

The S21 Ultra is one of the first smartphones to run Samsung’s latest version of Android 11 called One UI 3.1.

It inherits most of the new features from Android 11 including: separation of conversation, media and other alerts in the notifications shade; conversation bubbles; and additional privacy controls over location and other permissions.

A new partnership between Samsung and Google brings the search firm’s Discover feed and Messages texting app to the S21 series. Various Microsoft apps and systems for linking data and apps into Windows 10 are also present, which work well too.

There is a bit of app duplication, including two different SMS apps both called “Messages” – one made by Samsung and the other Google – but overall One UI 3.1 continues to be one of the most refined and best heavily customised versions of Android.

Samsung has pledged to support at least major Android version updates and monthly security patches, which is good for Android devices, but pales in comparison with Apple’s five-plus years of support for its phones.


samsung galaxy s21 ultra review
Samsung’s camera app is one of the better ones available and now does more automatically, switching to macro or night modes depending on the scene. Photograph: Samuel Gibbs/The Guardian

The S21 Ultra is the first Samsung smartphone to feature a new quad-camera with a 12MP ultrawide, 108MP standard wide and not one but two 10MP telephoto cameras – one with 3x and one with 10x optical zoom.

It is one of the most adaptable camera systems available, out zooming all but Huawei’s P40 Pro Plus from last year. The main camera shoots very good photos, with improved low light performance and better processing than last year’s S20 Ultra. The ultrawide camera is great in bright light, but can start to look a bit dark and overly sharpened compared with the main camera in lower light levels.

Both the 3x and 10x cameras produce really good, crisp images even in the relatively dim light of stormy weather. The 3x camera is ideal for zooming in on people and other objects a few metres away, while the 10x magnification enables you to meaningfully close the distance to subjects significantly further away.

The camera system can also smoothly zoom from 1x to 10x magnification using hybrid and optical zoom from a combination of the cameras with impressive results.

Above 10x magnification, Samsung’s “Space Zoom” system applies a digital zoom to the 10x telephoto camera. Photos shot up to 30x are very good indeed. Carrying on up to the 100x maximum zoom the images are clearly artificially enlarged, but are still a marked improvement from the 100x zoom on Samsung’s previous top smartphones. A new “zoom lock” system helps stabilise your shaking hands at 30x or above. Tap a small preview window and the phone locks in on that patch of the image often turning a blurry mess into a surprisingly sharp image.

samsung galaxy s21 ultra review
The modules on the back are as follows: 12MP ultrawide in the top left, 108MP main left middle, 10MP 10x telephoto bottom left, laser autofocus top right and 10MP 3x telephoto bottom right. Photograph: Samuel Gibbs/The Guardian

Samsung’s night and portrait modes are also improved. A new macro mode Samsung calls “focus enhancer” uses the ultrawide camera to produce some really sharp and good images too. The single take feature, which captures videos, photos and produces animations all at once is great fun and is now faster and smarter. The 40-megapixel selfie camera is one of the best available too.

The cameras also shoot excellent video up to 8K with a range of useful tools such as a “director view”, which shows you the view from three of the rear and the selfie camera at once. Samsung continues to lead Android rivals on video.


samsung galaxy s21 ultra review
The 40-megapixel selfie camera pokes through a small hole in the top of the screen, just below the hidden earpiece speaker. Photograph: Samuel Gibbs/The Guardian
  • Call quality was really good both normally and on speaker.

  • Focus enhancer occasionally triggered when just trying to shoot using the main camera, resulting in overly sharpened images.

  • The three preview thumbnails in directors view are simulated from the ultrawide camera, but the main view switches to the appropriate camera when selected.

  • The S21 Ultra supports Samsung’s S Pen stylus similar to the Note 20 Ultra which can be bought as an optional extra.


The Samsung Galaxy S21 Ultra costs £1,149 with 128GB of storage, £1,199 with 256GB or £1,329 with 512GB and 16GB of RAM, shipping on the 28 January.

For comparison, the Galaxy S21 costs £769, the Galaxy S21+ costs £819, the Galaxy Note 20 Ultra costs £1,179, the Galaxy Z Flip costs £1,300, the Galaxy Z Fold 2 costs £1,799; the OnePlus 8 Pro costs £799 and the Apple iPhone 12 Pro Max costs £1,099.


The Galaxy S21 Ultra is Samsung’s latest big, heavy and expensive superphone that makes meaningful improvements to both the camera and general usability.

All the usual top-quality elements are there. The screen is stunning, performance is good, battery life is excellent and the software is the latest available. But it is the much improved fingerprint scanner that makes the biggest difference to day-to-day usage – it’s fast, accurate and responsive in a way Samsung’s previous efforts just weren’t.

The new dual-telephoto camera system is also a marked improvement, providing a level of flexibility and optical zoom that you just can’t get with other mainstream rivals.

Samsung provides at least three years of major software updates, which matches the best of Android rivals but lags behind Apple’s five years of iOS updates.

If you want the best Android superphone the Galaxy S21 Ultra is it and will take some beating this year.

Pros: big 120Hz screen, 5G, great and flexible camera, 3x and 10x optical zoom, dual sim, One UI, wireless charging and powershare, good performance, long battery, fast fingerprint scanner.

Cons: huge, heavy, very expensive, no headphone socket, only three-plus years of software updates.

samsung galaxy s21 ultra review
The camera lump is now integrated into the side of the device, which will make fitting a protective case slightly harder or bulkier. Photograph: Samuel Gibbs/The Guardian

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