ChromeOS update tracker for tomato

ACER Chromebook Spin 513 (CP513-2H), Acer Chromebook Enterprise Spin 513 (CP513-2H)

Date Extended Ext Candidate Stable Beta Dev Canary
Oct 21 12 AM102.0.5005.183102.0.5005.177106.0.5249.134107.0.5304.51108.0.5359.6109.0.5366.0
Oct 20 10 AM102.0.5005.183102.0.5005.177106.0.5249.134107.0.5304.32108.0.5359.6109.0.5366.0
Oct 20 03 AM102.0.5005.183102.0.5005.177106.0.5249.134107.0.5304.32108.0.5359.6109.0.5363.0
Oct 19 10 PM102.0.5005.183102.0.5005.177106.0.5249.134107.0.5304.32108.0.5344.0109.0.5363.0
Oct 19 01 PM102.0.5005.183102.0.5005.177106.0.5249.112107.0.5304.32108.0.5344.0109.0.5363.0
Oct 17 12 PM102.0.5005.183102.0.5005.177106.0.5249.112107.0.5304.32108.0.5344.0108.0.5355.0
Oct 15 01 AM102.0.5005.183102.0.5005.177106.0.5249.112107.0.5304.32108.0.5344.0108.0.5344.0
Oct 12 03 AM102.0.5005.182102.0.5005.177106.0.5249.112107.0.5304.32108.0.5335.0108.0.5344.0
Oct 11 09 PM102.0.5005.182102.0.5005.177106.0.5249.112107.0.5304.22108.0.5335.0108.0.5344.0
Oct 11 01 PM102.0.5005.182102.0.5005.177105.0.5195.134107.0.5304.22108.0.5335.0108.0.5344.0
Oct 08 01 PM102.0.5005.182102.0.5005.177105.0.5195.134107.0.5304.22108.0.5335.0108.0.5338.0
Oct 07 07 AM102.0.5005.182102.0.5005.177105.0.5195.134107.0.5304.22108.0.5335.0108.0.5336.0
Oct 05 01 PM102.0.5005.182102.0.5005.177105.0.5195.134107.0.5304.22108.0.5323.0108.0.5336.0
Oct 05 07 AM102.0.5005.182102.0.5005.177105.0.5195.134107.0.5304.22108.0.5323.0108.0.5335.0
Oct 04 07 AM102.0.5005.182102.0.5005.177106.0.5249.91107.0.5304.14108.0.5323.0108.0.5335.0
Oct 04 01 AM102.0.5005.182102.0.5005.177105.0.5195.134107.0.5304.14108.0.5323.0108.0.5335.0
Oct 03 01 PM102.0.5005.177102.0.5005.177105.0.5195.134107.0.5304.14108.0.5323.0108.0.5335.0
Oct 02 08 PM102.0.5005.177102.0.5005.177105.0.5195.134107.0.5304.14108.0.5323.0108.0.5328.0
Sep 17 03 AM102.0.5005.177105.0.5195.112106.0.5249.36107.0.5283.0107.0.5300.0
Sep 13 03 AM102.0.5005.177105.0.5195.112106.0.5249.28107.0.5283.0107.0.5293.0
Recoveries: [109] [110] [111] [112] [113] [114] [115] [116] [117] [118]
Chromebooks
121.0.6154.0
121.0.6152.0
121.0.6149.0
121.0.6148.0
121.0.6146.0
121.0.6144.0
121.0.6142.0
121.0.6138.0
121.0.6136.0
121.0.6128.0
121.0.6126.0
121.0.6124.0
121.0.6120.0
121.0.6117.0
121.0.6110.0
121.0.6109.0
121.0.6107.0
121.0.6105.0
121.0.6101.0
120.0.6099.80
120.0.6099.42
120.0.6099.25
120.0.6099.0
120.0.6091.0
120.0.6090.0
120.0.6089.0
120.0.6083.0
120.0.6070.0
120.0.6065.0
120.0.6046.0
119.0.6045.209
119.0.6045.192
119.0.6018.0
118.0.5993.164
118.0.5993.124
117.0.5938.157
117.0.5855.0
116.0.5845.210
116.0.5802.0
114
AUEModel
ChromeOS FlexDBSCNonereven
Lenovo 300e Yoga Chromebook Gen 4DCBS2032-06steelix
ASUS Chromebook CM14 (CM1402C)DCBS2032-06tentacool
IP Slim 3 Chrome 14M868DCBS2032-06magneton
Lenovo 100e Chromebook Gen 4DCBS2032-06rusty
ASUS Chromebook CM14 Flip (CM1402F)DCBS2032-06tentacruel
Acer Chromebook 311(C723,C723-TCO,C723T,C723T-TCO)DCBS2032-06voltorb
ASUS Chromebook CM34 FlipDCBS2031-06frostflow
Acer Chromebook Plus 514 (CB514-3H, CB514-3HT)DCBS2031-06markarth
Dell Latitude 3445 ChromebookDCBS2031-06whiterun
Acer Chromebook 511( C736, C736T, C736L, C736LT )DCBS2031-06craaskvin
CR1102CDCBS2031-06xivu
HP Chromebook Plus 15;HP Chromebook 15.6 ;HP Chromebook 15.6DBS2031-06yaviks
Lenovo Slim 3i Chromebook 14;14e Chromebook Gen 3;14e ChromeCDBS2031-06pujjoteen
Acer Chromebook 314(CB314-4H / CB314-4HT);Acer Chromebook 31CDBS2031-06craasneto
Lenovo 500e Yoga Chromebook Gen 4;Lenovo Flex 3i Chromebook DCBS2031-06pujjo
CR1102FDCBS2031-06xivu360
Acer Chromebook Spin 512 (R856T R856T-TCO R856TN R856TN-TCO CDBS2031-06craask
Acer Chromebook Spin 511 (R756T R756T-TCO R756TN R756TN-TCO CDBS2031-06craaskbowl
IdeaPad Gaming Chromebook 16DBSC2030-06taniks
HP Elite c640 14 inch G3 ChromebookDCBS2030-06anahera
Chromebook x360 14c-cd0DCBS2030-06gimble
HP Elite Dragonfly ChromebookDCBS2030-06redrix
HP Dragonfly Pro ChromebookDCBS2030-06vell
Dell Latitude 5430 2-in-1 ChromebookDCBS2030-06crota360
Acer Chromebook Spin 714 -- CP714-1WN / Acer Chromebook EntDCBS2030-06kano
Lenovo 5i Chromebook 16 /IdeaPad 5i Chromebook (16 , 7);IdeaDCBS2030-06taeko
Acer Chromebook Spin 514 [CP514-3H, CP514-3HH, CP514-3WH]DCBS2030-06dewatt
HP Elite c645 G2 ChromebookDCBS2030-06nipperkin
AOpen Chromebox Commercial 3DCBS2030-06aurash
Chromebox Enterprise G4DCBS2030-06gladios
Lenovo ThinkCentre M60q ChromeboxDCBS2030-06kinox
ASUS Chromebox 5 (CN67), ASUS Chromebox Enterprise 5 (CN67)DCBS2030-06kuldax
CTL Chromebox CBx3 / CTL Chromebox Enterprise CBx3;Lisbon DeDCBS2030-06lisbon
Acer Chromebox CXI5DCBS2030-06moli
Framework Laptop Chromebook EditionDCBS2030-06banshee
Dell Latitude 5430 ChromebookDCBS2030-06crota
ASUS Chromebook Flip CX5DCBS2030-06felwinter
ASUS Chromebook CX34 Flip (CX3401) / ASUS Chromebook CX34 FlDCBS2030-06mithrax
Acer Chromebook Plus 515 (CB515-2H, CB515-2HT)DCBS2030-06omnigul
Acer Chromebook 516 GE (CBG516-1H)DCBS2030-06osiris
ThinkPad C14 Gen 1 ChromebookDCBS2030-06primus
Acer Chromebook Vero 514DCBS2030-06volmar
Acer Chromebook Vero 712 (CV872, CV872T)DCBS2030-06zavala
Chromebook x360 13b-ca0DCBS2030-06dojo
ACER Chromebook Spin 513 (CP513-2H), Acer Chromebook EnterprDCBS2030-06tomato
Chromebook x360 14b-cb0DBSC2029-06madoo
Chromebook x360 14c-cc0DBCS2029-06eldrid
Acer Chromebook Spin 713 (CP713-3W)DBCS2029-06voxel
IdeaPad Flex 5i Chromebook (13 , 6)DBCS2029-06lillipup
FMV Chromebook 14F, FMV Chromebook WM1/F3DBCS2029-06chronicler
Acer Chromebook 512 (C852)DBCS2029-06maglet
ASUS Chromebook Flip CR1100FKADBCS2029-06storo360
Acer Chromebook 515 (CB515-1W/CB515-1WT)DBCS2029-06volet
HP Chromebook 11 G9 EEDBCS2029-06drawlat
Chromebook 14b-nb0DBCS2029-06elemi
Lenovo Flex 3i Chromebook 15 IdeaPad Flex 3i Chromebook (15,DCBS2029-06beetley
Lenovo 3i-15 ChromebookDCBS2029-06blipper
Lenovo 100e Chromebook Gen 3 (Intel)DCBS2029-06bookem
Acer Chromebook Spin 512 (R853TA) & Acer Chromebook spin 512DCBS2029-06maglia
Galaxy Chromebook GoDCBS2029-06sasuke
ASUS Chromebook CR1100CKADCBS2029-06storo
HP Chromebook x360 14a-cb0DCBS2029-06gumboz
Acer Chromebook Spin 514 (CP514-2H)DCBS2029-06voema
HP Chromebook 14a-nd0DCBS2029-06dirinboz
Dell Chromebook 3110 2-in-1DCBS2029-06cret360
HP Fortis 14 G10 ChromebookDCBS2029-06drawper
HP Chromebook 14a-na1DCBS2029-06lantis
Acer Chromebook 315 (CB315-4H , CB315-4HT)DCBS2029-06magma
Packard Bell Chromebook 314(PCB314-2 , PCB314-2T);Packard BeDCBS2029-06magneto
Axioo Chromebook P11/Axioo Chromebook P432;SPC Chromebook Z1DCBS2029-06pirette
ASUS Chromebook Flip CX5 (CX5400)DCBS2029-06copano
Dell Chromebook 3110DCBS2029-06cret
CX1500FKADCBS2029-06galith360
CX1400FKADCBS2029-06galtic360
CTL Chromebook NL72T;LG Chromebook 11TC50Q/11TQ50QDCBS2029-06kracko360
Acer Chromebook 511 (C734 , C734T, C733-R, C733T-R)DCBS2029-06maglith
ASUS Chromebook CX9 (CX9400)DCBS2029-06drobit
Acer Chromebook 514 (CB514-1W/CB514-1WT)DCBS2029-06volta
Acer Chromebook Spin 314 (CP314-1H, CP314-1HN)DCBS2029-06magister
Acer Chromebook Spin 511 (R753T) & Acer Chromebook spin 511 DCBS2029-06magolor
Lenovo Flex 3i-11 Chromebook / IdeaPad Flex 3i Chromebook (1DCBS2029-06boten
ASUS Chromebook Flip CX3DCBS2029-06collis
NEC Chromebook Y1 Gen3A;Lenovo 300e Chromebook Gen 3DCBS2029-06vilboz360
Galaxy Chromebook 2 360DCBS2029-06bugzzy
HP Fortis x360 11 G3 J Chromebook / HP Fortis x360 11 G3 J CDCBS2029-06drawcia
HP Chromebook 14 G7DCBS2029-06drawman
ASUS Chromebook CX1500CKADCBS2029-06galith
ASUS Chromebook CX1700CKADCBS2029-06gallop
ASUS Chromebook CX1 CX1102DCBS2029-06galnat
Zyrex Chromebook M432-64/Zyrex Chromebook M432-11;CTL ChromeDCBS2029-06kracko
NEC Chromebook Y3DCBS2029-06metaknight
Gateway Chromebook 15DCBS2029-06pasara
Axioo Chromebook P14;CTL Chromebook Enterprise/PX14E/PX14EX/DCBS2029-06pirika
Acer Chromebook Spin 514 (CP514-1H, CP514-1W, CP514-1WH, CPDCBS2029-06ezkinil
ASUS Chromebook CX1DCBS2029-06galtic
Chromebook x2 11-da0DBS2029-06coachz
Acer Chromebook Tab 510 / Enterprise Tab 510DBS2029-06quackingstick
ASUS Chromebook Flip CM1 (CM1400)DCBS2029-06jelboz360
Lenovo 100e Chromebook Gen 3DCBS2029-06vilboz
Lenovo 14e Chromebook Gen 2DCBS2029-06vilboz14
Chromebox MicroDCBS2029-06boxy
ASUS Chromebook Flip CX1 CX1102DCBS2029-06galnat360
HP Chromebook x360 14a-ca1DCBS2029-06landia
HP Chromebook15a-na0DCBS2029-06landrid
Acer Chromebook 317DCBS2029-06magpie
Galaxy Chromebook Go 11DCBS2029-06sasukette
ASUS Chromebook Vibe CX55 Flip;ASUS Chromebook Flip CX5 (CX5DCBS2029-06delbin
Lenovo 5i-14 Chromebook;Lenovo Slim 5 ChromebookDCBS2029-06lindar
Chromebook 14b-na0DCBS2029-06berknip
ASUS Chromebook Flip CM5DCBS2029-06woomax
Lenovo ThinkPad C13 Yoga Chromebook / Lenovo ThinkPad C13 YoDCBS2029-06morphius
Acer Chromebook 514 (CB514-2H, CB514-2HT)DCBS2029-06spherion
Acer Chromebook Spin 513, CP513-1H/1HL, R841T/LTDCBS2029-06lazor
Dynabook Chromebook C1DCBS2029-06pompom
ASUS Chromebook Flip CM3200FM1ADCBS2029-06hayato
HP Fortis 11 G9 Q Chromebook/Chromebook EnterpriseDCBS2029-06kingoftown
Acer Chromebook 511 (C741L/C741LT)DCBS2029-06limozeen
Orbic Chromebook;Libera-Merdeka Chromebook C100/C110/C120/C1DCBS2029-06pazquel
Prowise Chromebook 360 G1DCBS2029-06pazquel360
Lenovo Chromebook Duet 3 / IdeaPad Duet 3 Chromebook / LenovDBS2029-06wormdingler
Lenovo Chromebook Duet 5 / IdeaPad Duet 5 ChromebookDBS2029-06homestar
IdeaPad Flex 3 ChromebookDCBS2028-06fennel
Acer Chromebook Spin 713 (CP713-2W)DCBS2028-06kled
Acer Chromebook 314 (CB314-2H/CB314-2HT)DCBS2028-06cozmo
Samsung Galaxy Chromebook 2DCBS2028-06nightfury
ASUS Chromebook Flip CM3200FVADCBS2028-06damu
HP Chromebook 11MK G9 EEDCBS2028-06esche
Acer Chromebook 311 (C722/C722T)DCBS2028-06willow
IdeaPad 3 ChromebookDCBS2028-06fennel14
HP Chromebook x360 11MK G3 EEDCBS2028-06burnet
HP Chromebook 11a-ne0;HP Chromebook 11a na0DCBS2028-06kappa
Acer Chromebook 311 (CB311-11H/CB311-11HT)DCBS2028-06kenzo
Acer Chromebook Spin 311 - R722TDCBS2028-06pico
Acer Chromebook Spin 311 (CP311-3H)DCBS2028-06juniper
Lenovo 100e Gen 2DCBS2028-06makomo
Chromebook x360 13c-ca0DCBS2028-06jinlon
HP Pro c640 Chromebook/HP Pro c640 Chromebook EnterpriseDCBS2028-06dratini
IdeaPad Flex 5i Chromebook (13 , 5)DCBS2028-06akemi
Lenovo Chromebook Duet / Lenovo Ideapad Duet ChromebookDCBS2028-06krane
Acer Chromebox CXI4DCBS2028-06kaisa
HP Chromebox G3DCBS2028-06noibat
Chromebook x360 14c-ca0DCBS2028-06dragonair
ASUS Chromebook Flip C436FADCBS2028-06helios
Acer Chromebook 712 [C871]DCBS2028-06kindred
Samsung Galaxy ChromebookDCBS2028-06kohaku
ASUS Chromebook Detachable CM3DCBS2028-06kakadu
ASUS Chromebook Detachable CZ1DCBS2028-06katsu
Lenovo 10e Chromebook TabletDCBS2028-06kodama
HP Chromebase 21.5 inch All-in-One DesktopDCBS2028-06dooly
ASUS Chromebox 4DCBS2028-06duffy
ASUS Fanless ChromeboxDCBS2028-06faffy
Promethean Chromebox 2;ViewSonic NMP760 Chromebox;Wyvern MobDCBS2028-06wyvern
Dell Latitude 7410 Chromebook EnterpriseDCBS2027-08drallion360
Dell Latitude 7410 Chromebook EnterpriseDCBS2027-08drallion
Dell Latitude 5300 2-in-1 Chromebook EnterpriseDCBS2026-08arcada
Dell Latitude 5400 Chromebook EnterpriseDCBS2026-08sarien
HP Chromebook 11 G7 EEDBCS2026-06mimrock
NEC Chromebook Y2DCBS2026-06dood
ASUS Chromebook C424DCBS2026-06nospike
ASUS Chromebook C425DCBS2026-06leona
ASUS Chromebook Flip C434;ASUS Chromebook Flip C433DCBS2026-06shyvana
ASUS Chromebook Flip C214 (EDU), ASUS Chromebook Flip C234 (DCBS2026-06ampton
ASUS Chromebook C204DCBS2026-06apel
Acer Chromebook 315 (CB315)DCBS2026-06blorb
Samsung Chromebook 4DCBS2026-06bluebird
HP Chromebook x360 11 G2 EEDCBS2026-06meep
Google Pixel SlateDCBS2026-06nocturne
Acer Chromebook 311 (CB311-9H, CB311-9HT);Acer Chromebook 31DCBS2026-06bobba
Chromebook 14 G6DCBS2026-06dorp
CTL Chromebook VX11, CTL Chromebook VX11T;Poin2 Chromebook DCBS2026-06foob
Poin2 Chromebook 11P;CTL Chromebook VX11TDCBS2026-06foob360
Dell Chromebook 3400DCBS2026-06orbatrix
Acer Chromebook Spin 311 (R721T)DCBS2026-06kasumi360
Lenovo 100e Chromebook 2nd GenDCBS2026-06phaser
Google Pixelbook GoDCBS2026-06atlas
Acer Chromebook 315 (CB315-2H)DCBS2026-06aleena
HP Chromebook 11A G6 EE / HP Chromebook 11A G8 EE;HP ChromebDCBS2026-06barla
Chromebook 14-db0DCBS2026-06careena
Acer Chromebook 311 (C721)DCBS2026-06kasumi
Lenovo 14e Chromebook, Lenovo Chromebook S345-14DCBS2026-06liara
100e Gen 2 AST;IdeaPad 3 Chromebook (11 , 5)DCBS2026-06treeya
Lenovo 300e Gen 2 AST;NEC Chromebook Y1 Gen2ADCBS2026-06treeya360
CX1101CMADCBS2026-06apele
Chromebook x360 12b-ca0DCBS2026-06bloog
HP Chromebook 14a-na0DCBS2026-06blooglet
Chromebook x360 14a-ca0;Chromebook x360 14b-ca0DCBS2026-06blooguard
Acer Chromebook Spin 311 (CP311-2H, CP311-2HN);Acer ChromeboDCBS2026-06bobba360
Samsung Chromebook 4+DCBS2026-06casta
Acer Chromebook 314 (CB314);Acer Chromebook 314 (C933L/LT);PDCBS2026-06droid
Dell Chromebook 3100 2-in-1;Dell Chromebook 3100DCBS2026-06fleex
ADVAN Chromebook 116;Edxis Chromebook 11 (S20-C);Sector 5 E4DCBS2026-06garg
Axioo Chromebook 360;Multilaser Chromebook M11HC-PC915;EdxisDCBS2026-06garg360
IdeaPad 3 CB 14IGL05;Lenovo Chromebook S340-14 and Lenovo ChDCBS2026-06laser14
Ideapad 3 ChromebookDCBS2026-06lick
Lenovo 300e/500e Chromebook 2nd Gen;NEC Chromebook Y1 Gen 2;DCBS2026-06phaser360
Acer Chromebook 512 (C851, C851T)DCBS2026-06sparky
Acer Chromebook Spin 512 (R851TN)DCBS2026-06sparky360
Chromebook 11 G8 EEDCBS2026-06vorticon
Chromebook x360 11 G3 EEDCBS2026-06vortininja
CTL Chromebook NL81/NL81TCDBS2026-06garfour
Acer Chromebook 715 (CB715-1W / CB715-1WT)DCBS2025-06bard
HP Chromebox G2DCBS2025-06kench
Acer Chromebase CA24I2DCBS2025-06karma
Acer Chromebook 714 (CB714-1W / CB714-1WT)DCBS2025-06ekko
Chromebook 15-de0DCBS2025-06syndra
AOpen Chromebox Commercial 2;Newline Chromebox A10DCBS2025-06jax
Acer Chromebox CXI3DCBS2025-06sion
ASUS Chromebox 3 (CN65)DCBS2025-06teemo
OWG;SMART Chromebox G3;CTL Chromebox CBx1;ViewSonic NMP660 CDCBS2025-06wukong
Poin2 Chromebook 14CDBS2025-06birch
Poin2 Chromebook 11C;Prowise Chromebook Eduline / Prowise ChCDBS2025-06hana
Lenovo Ideapad C330 ChromebookCDBS2025-06maple
Lenovo Ideapad S330 ChromebookCDBS2025-06maple14
Lenovo 100e Chromebook 2nd Gen MTKCDBS2025-06sycamore
Lenovo 300e Chromebook 2nd Gen MTKCDBS2025-06sycamore360
ASUS Chromebook C202XA / C203XACDBS2025-06telesu
Acer Chromebook 13 (CB713-1W)DCBS2025-06akali
Acer Chromebook Spin 13 (CP713-1WN)DCBS2025-06akali360
Lenovo Yoga C630 Chromebook;Lenovo C340-15 ChromebookDCBS2025-06pantheon
HP Chromebook x360 14DCBS2025-06sona
Dell Inspiron Chromebook 14 2-in-1 (7486)DCBS2025-06vayne
Samsung Chromebook Plus (V2)DCBS2024-07nautilus
Samsung Chromebook Plus (LTE)DCBS2024-07nautiluslte
Chromebook x2 12-f0DCBS2024-07soraka
Lenovo 100e ChromebookDCBS2024-06robo
Dell Chromebook 11 2-in-1 (5190)DCBS2024-06nasher360
Google PixelbookDCBS2024-06eve
Acer Chromebook 15 (CB515-1H, CB515-1HT)DCBS2024-06sand
HP Chromebook 11 G6 EE / Chromebook 11aDCBS2024-06alan
Chromebook 14-ca1 / Chromebook 14-ca0DCBS2024-06bigdaddy
Chromebook 11-ae0 / Chromebook 11-ae1DCBS2024-06snappy
Acer Chromebook 11 (C732, C732T, C732L, C732LT)DCBS2024-06astronaut
ASUS Chromebook C223;ASUS Chromebook CX1100CNADCBS2024-06babymega
ASUS Chromebook CX1500CNA;ASUS Chromebook C523DCBS2024-06babytiger
Lanix Chromebook C116;CTL chromebook NL7;Edxis Chromebook 11DCBS2024-06blacktip
Lanix Chromebook C116;Viglen Chromebook 360C;CTL Chromebook DCBS2024-06blacktip360
CTL Chromebook NL7 LTEDCBS2024-06blacktiplte
Acer Chromebook 15 (CB315-1H, CB315-1HT)DCBS2024-06blue
Acer Chromebook Spin 15 (CP315)DCBS2024-06bruce
Acer Chromebook 514DCBS2024-06epaulette
Acer Chromebook Spin 11 (CP311-1H, CP311-1HN)DCBS2024-06lava
Dell Chromebook 11 (5190)DCBS2024-06nasher
ASUS Chromebook C423;ASUS Chromebook CX1400CNA;ASUS ChromeboDCBS2024-06rabbid
Lenovo 500e ChromebookDCBS2024-06robo360
Acer Chromebook 11 (CB311-8H, CB311-8HT)DCBS2024-06santa
Prowise Chromebook Eduline;Viglen Chromebook 11C;PCmerge ChrDCBS2024-06whitetip
Acer Chromebook R13 (CB5-312T)CDBS2024-06elm
Lenovo ThinkPad 11e 4th Gen ChromebookCDBS2024-06pyro
ASUS Chromebook Flip C213CDBS2024-06basking
Acer Chromebook Spin 11 (R751T / CP511)CDBS2024-06electro
ASUS Chromebook CM30DCBSstarmie
Chrome change logΔ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ