| 1 | IBM Simonsmartphone | Mitsubishi Electric | — | 510.3 g |
| 2 | Nokia 1011mobile phone | Nokia | 1992 | 495 g |
| 3 | CircuitMess Ringosmartphone | CircuitMess | — | 428 g |
| 4 | SP03mobile phone | Huawei | 2011 | 398 g |
| 5 | Royole FlexPaifoldable phone | None | — | 320 g |
| 6 | N-08Bmobile phone | NEC | 2010 | 300 g |
| 7 | HTC Universalmobile phone | HTC | — | 285 g |
| 8 | Surface Duo 2foldable phone | None | 2021 | 284 g |
| 9 | Pixel Foldfoldable phone | Google | 2023 | 283 g |
| 10 | Samsung Galaxy Z Fold 2foldable phone | Samsung | — | 282 g |
| 11 | Samsung Galaxy Foldfoldable phone | Samsung | — | 263 g |
| 12 | Pixel 9 Pro Foldfoldable phone | Google | 2024 | 257 g |
| 13 | Nokia 1620mobile phone | Nokia | 1996 | 255 g |
| 14 | iPhone Duosmartphone | Apple | 2026 | 254 g |
| 15 | N-08Dsmartphone | NEC | 2012 | 249 g |
| 16 | iPhone 18 Pro Maxsmartphone | Apple | 2026 | 249 g |
| 17 | Nokia XR20mobile phone | HMD Global | — | 248 g |
| 18 | Blackview BV8000 Prosmartphone | Blackview | — | 243 g |
| 19 | iPhone 14 Pro Maxsmartphone | Apple | 2022 | 240 g |
| 20 | Pixel 11 Pro Foldfoldable phone | Google | 2026 | 239 g |
| 21 | Nokia 2110mobile phone | Nokia | 1995 | 236 g |
| 22 | Xperia XZ2 Premiumsmartphone | Sony | 2018 | 236 g |
| 23 | Huawei Mate 40 RS Porsche Designphablet | Huawei | — | 234 g |
| 24 | Samsung Galaxy S23 Ultrasmartphone | Samsung | 2023 | 234 g |
| 25 | Xiaomi Mi 11 Ultraphablet | Xiaomi | — | 234 g |
| 26 | Huawei Mate 20 Xsmartphone | Huawei | 2018 | 232 g |
| 27 | iPhone 17 Pro Maxmobile phone | Apple | 2025 | 231 g |
| 28 | Huawei Mate 40 Pro+smartphone | Huawei | — | 230 g |
| 29 | Samsung Galaxy S22 Ultraphablet | Samsung | 2022 | 229 g |
| 30 | Nokia 8.3 5Gmobile phone | Nokia | — | 227 g |
| 31 | Samsung Galaxy S21 Ultraphablet | Samsung | 2021 | 227 g |
| 32 | Fairphone 4smartphone | Fairphone | 2021 | 225 g |
| 33 | Samsung Galaxy A80phablet | Samsung | — | 220 g |
| 34 | Redmi K30 Prosmartphone | Xiaomi | 2020 | 219 g |
| 35 | HTC One Maxsmartphone | HTC | — | 217 g |
| 36 | Honor Power2mobile phone | Honor | 2026 | 216 g |
| 37 | Xiaomi Mi 10Tsmartphone | Xiaomi | — | 216 g |
| 38 | Honor Magic 4 Prosmartphone | Honor | — | 215 g |
| 39 | Pixel 8 Prosmartphone | Google | 2023 | 213 g |
| 40 | Fairphone 5smartphone | Fairphone | 2023 | 212 g |
| 41 | HTC Harriersmartphone | None | — | 212 g |
| 42 | Huawei Mate 40 Prophablet | Huawei | — | 212 g |
| 43 | Pixel 7 Prosmartphone | Google | 2022 | 212 g |
| 44 | Xiaomi Mi Max 2smartphone | Xiaomi | — | 211 g |
| 45 | iPhone 18 Prosmartphone | Apple | 2026 | 211 g |
| 46 | OnePlus 7 Prosmartphone | OnePlus | — | 210 g |
| 47 | Philips Fizzmobile phone | Phillips | 1997 | 210 g |
| 48 | Pixel 6phablet | Google | 2021 | 210 g |
| 49 | Xiaomi 13 Prophablet | Xiaomi | — | 210 g |
| 50 | Nokia Lumia 1520smartphone | Nokia | 2013 | 209 g |